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	<title>Número pi - Historial de revisions</title>
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	<updated>2026-04-05T01:47:41Z</updated>
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	<entry>
		<id>https://www.lenciclopedia.org/w/index.php?title=N%C3%BAmero_pi&amp;diff=373929&amp;oldid=prev</id>
		<title>Lluísm en 19:27 30 dec 2024</title>
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		<updated>2024-12-30T19:27:07Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Revisió anterior&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revisió de 19:27 30 dec 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l21&quot;&gt;Llínea 21:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llínea 21:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;En ciència i ingenieria, esta constant se pot emplear, la majoria de les voltes, en una gran precisió solament en una dotzena de decimals. En quaranta decimals se podria descriure en precisió la curvatura de la [[Via Làctea]] en un erro més chicotet que el tamany d&amp;#039;un [[protó]].&amp;lt;ref&amp;gt;Bailey, David H., Borwein, Peter B. &amp;amp; Borwein, Jonathan M. (January 1997). «The Quest for Pi.» &amp;#039;&amp;#039;Mathematical Intelligencer&amp;#039;&amp;#039; (1): 50-57.&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;En ciència i ingenieria, esta constant se pot emplear, la majoria de les voltes, en una gran precisió solament en una dotzena de decimals. En quaranta decimals se podria descriure en precisió la curvatura de la [[Via Làctea]] en un erro més chicotet que el tamany d&amp;#039;un [[protó]].&amp;lt;ref&amp;gt;Bailey, David H., Borwein, Peter B. &amp;amp; Borwein, Jonathan M. (January 1997). «The Quest for Pi.» &amp;#039;&amp;#039;Mathematical Intelligencer&amp;#039;&amp;#039; (1): 50-57.&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;  &lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;    &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Referències ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Referències ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;references/&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;references/&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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		<author><name>Lluísm</name></author>
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	<entry>
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		<title>Jose2 en 14:56 19 ago 2024</title>
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		<updated>2024-08-19T14:56:23Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Revisió anterior&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revisió de 14:56 19 ago 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l21&quot;&gt;Llínea 21:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llínea 21:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;En ciència i ingenieria, esta constant se pot emplear, la majoria de les voltes, en una gran precisió solament en una dotzena de decimals. En quaranta decimals se podria descriure en precisió la curvatura de la [[Via Làctea]] en un erro més chicotet que el tamany d&amp;#039;un [[protó]].&amp;lt;ref&amp;gt;Bailey, David H., Borwein, Peter B. &amp;amp; Borwein, Jonathan M. (January 1997). «The Quest for Pi.» &amp;#039;&amp;#039;Mathematical Intelligencer&amp;#039;&amp;#039; (1): 50-57.&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;En ciència i ingenieria, esta constant se pot emplear, la majoria de les voltes, en una gran precisió solament en una dotzena de decimals. En quaranta decimals se podria descriure en precisió la curvatura de la [[Via Làctea]] en un erro més chicotet que el tamany d&amp;#039;un [[protó]].&amp;lt;ref&amp;gt;Bailey, David H., Borwein, Peter B. &amp;amp; Borwein, Jonathan M. (January 1997). «The Quest for Pi.» &amp;#039;&amp;#039;Mathematical Intelligencer&amp;#039;&amp;#039; (1): 50-57.&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;  &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Referències ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Referències ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;references/&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;references/&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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		<author><name>Jose2</name></author>
	</entry>
	<entry>
		<id>https://www.lenciclopedia.org/w/index.php?title=N%C3%BAmero_pi&amp;diff=204335&amp;oldid=prev</id>
		<title>Jose2: /* Nom */</title>
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		<updated>2022-05-14T18:10:58Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;Nom&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Revisió anterior&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revisió de 18:10 14 maig 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l5&quot;&gt;Llínea 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llínea 5:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Nom ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Nom ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Archiu:Pi-CM.svg|thumb|200px|Lletra grega pi. Símbol adoptat en [[1706]] per William Jones i popularisat per [[Leonhard Euler]]]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Archiu:Pi-CM.svg|thumb|200px|Lletra grega pi. Símbol adoptat en &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;l&#039;any &lt;/ins&gt;[[1706]] per William Jones i popularisat per [[Leonhard Euler]]]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;La notació en la [[alfabeto griego|lletra grega]] [[Pi (letra)|π]] prové de l&#039;inicial de les paraules d&#039;orige [[idioma grec|grec]] περιφέρεια «perifèria» i περίμετρον «perímetro» d&#039;un [[círcul]],&amp;lt;ref&amp;gt;G L Cohen and A G Shannon, John Ward&#039;s method for the calculation of pi, Historia Mathematica 8 (2) (1981), 133-144.&amp;lt;/ref&amp;gt; notació que fon utilisada primer per [[William Oughtred]] (1574-1660). El seu us fon propost pel matemàtic galés [[William Jones (matemàtic)|William Jones]]&amp;lt;ref&amp;gt;New Introduction to Mathematics, William Jones, 1706, London&amp;lt;/ref&amp;gt; (1675-1749); encara que fon el matemàtic [[Leonhard Euler]], en la seua obra &#039;&#039;Introducció al càlcul infinitesimal&#039;&#039;, de [[1748]], qui la popularisà. Fon coneguda anteriorment com &#039;&#039;constant de Ludolph&#039;&#039; (en honor al matemàtic [[Ludolph van Ceulen]]) o com &#039;&#039;constant d&#039;Arquímedes&#039;&#039; (que no se deu confondre en el [[número d&#039;Arquímedes]]). Jones planteja el nom i símbol d&#039;este número en l&#039;any [[1706]] i Euler comença a difondre&#039;l en l&#039;any [[1736]].&amp;lt;ref name=&quot;beskin&quot;&amp;gt;Beskin. &#039;&#039;Fracciones maravillosas&#039;&#039;. Mir Moscú, (1987).&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;La notació en la [[alfabeto griego|lletra grega]] [[Pi (letra)|π]] prové de l&#039;inicial de les paraules d&#039;orige [[idioma grec|grec]] περιφέρεια «perifèria» i περίμετρον «perímetro» d&#039;un [[círcul]],&amp;lt;ref&amp;gt;G L Cohen and A G Shannon, John Ward&#039;s method for the calculation of pi, Historia Mathematica 8 (2) (1981), 133-144.&amp;lt;/ref&amp;gt; notació que fon utilisada primer per [[William Oughtred]] (1574-1660). El seu us fon propost pel matemàtic galés [[William Jones (matemàtic)|William Jones]]&amp;lt;ref&amp;gt;New Introduction to Mathematics, William Jones, 1706, London&amp;lt;/ref&amp;gt; (1675-1749); encara que fon el matemàtic [[Leonhard Euler]], en la seua obra &#039;&#039;Introducció al càlcul infinitesimal&#039;&#039;, de &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;l&#039;any &lt;/ins&gt;[[1748]], qui la popularisà. Fon coneguda anteriorment com &#039;&#039;constant de Ludolph&#039;&#039; (en honor al matemàtic [[Ludolph van Ceulen]]) o com &#039;&#039;constant d&#039;Arquímedes&#039;&#039; (que no se deu confondre en el [[número d&#039;Arquímedes]]). Jones planteja el nom i símbol d&#039;este número en l&#039;any [[1706]] i Euler comença a difondre&#039;l en l&#039;any [[1736]].&amp;lt;ref name=&quot;beskin&quot;&amp;gt;Beskin. &#039;&#039;Fracciones maravillosas&#039;&#039;. Mir Moscú, (1987).&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Clasificació ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Clasificació ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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		<author><name>Jose2</name></author>
	</entry>
	<entry>
		<id>https://www.lenciclopedia.org/w/index.php?title=N%C3%BAmero_pi&amp;diff=204333&amp;oldid=prev</id>
		<title>Llana en 17:05 14 maig 2022</title>
		<link rel="alternate" type="text/html" href="https://www.lenciclopedia.org/w/index.php?title=N%C3%BAmero_pi&amp;diff=204333&amp;oldid=prev"/>
		<updated>2022-05-14T17:05:31Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Revisió anterior&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revisió de 17:05 14 maig 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llínea 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llínea 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:2pi-unrolled.gif|thumb|right|200px|Pi en una recta, 2π és el doble de π]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:2pi-unrolled.gif|thumb|right|200px|Pi en una recta, 2π és el doble de π]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;El &#039;&#039;&#039;número pi&#039;&#039;&#039; &#039;&#039;&#039;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;(&lt;/del&gt;π&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;)&lt;/del&gt;&#039;&#039;&#039; és la relació entre la llongitut d&#039;una [[circunferència]] i el seu [[diàmetro]] en [[geometria euclidiana]].&amp;lt;ref&amp;gt;{{Cita libro|título=MATEMÁTICA 6: Reforma Matemática Costa Rica|url=https://books.google.es/books?id=314xCgAAQBAJ&amp;amp;pg=PA61&amp;amp;dq=%CF%80+(pi)++relaci%C3%B3n+entre+la+longitud+de+una+circunferencia+y+su+di%C3%A1metro&amp;amp;hl=es&amp;amp;sa=X&amp;amp;ved=0ahUKEwjWl4G-xMbZAhUBvBQKHfj3DdYQ6AEILDAB#v=onepage&amp;amp;q=%CF%80%20(pi)%20%20relaci%C3%B3n%20entre%20la%20longitud%20de%20una%20circunferencia%20y%20su%20di%C3%A1metro&amp;amp;f=false|editorial=F Prima Grupo Consultor|isbn=9789930513101|idioma=es}}&amp;lt;/ref&amp;gt; És un [[número irracional]]&amp;lt;ref&amp;gt;{{Cita libro|apellidos=Incorporated|nombre=InterLingua com.google.es/books?id=tqgmdatAt0oC&amp;amp;pg=PA283&amp;amp;dq=%CF%80+(pi)+n%C3%BAmero+irracional&amp;amp;hl=es&amp;amp;sa=X&amp;amp;ved=0ahUKEwjs_9DhxMbZAhWF6RQKHU2dBu8Q6AEILTAB#v=onepage&amp;amp;q=%CF%80%20(pi)%20n%C3%BAmero%20irracional&amp;amp;f=false|fecha=2009|editorial=InterLingua Publishing|isbn=9781884730023|idioma=es}}&amp;lt;/ref&amp;gt; i una de les constants matemàtiques més importants. S&#039;emplea freqüentment en [[matemàtiques]], [[física]] i [[ingenieria]]. El [[valor numèric]] de π, [[Truncament|truncat]] a les seues primeres sifres, és el següent: π = 3.141 592 653 589 793 238 462...&amp;lt;ref&amp;gt;{{Cita libro|apellidos=Llamas|nombre=Edmundo|título=El libro de las Preguntas de Llamas|url=https://books.google.es/books?id=pm57AgAAQBAJ&amp;amp;pg=PA250&amp;amp;dq=valor+%CF%80+3.1415926535&amp;amp;hl=es&amp;amp;sa=X&amp;amp;ved=0ahUKEwiS4ZXbxcbZAhWJ0xQKHTvOAbMQ6AEIJzAA#v=onepage&amp;amp;q=valor%20%CF%80%203.1415926535&amp;amp;f=false|fecha=2013|editorial=Lulu.com|isbn=9780557073979|idioma=}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;El &#039;&#039;&#039;número pi&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;,&lt;/ins&gt;&#039;&#039;&#039; &#039;&#039;&#039;π&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;,&lt;/ins&gt;&#039;&#039;&#039; és la relació entre la llongitut d&#039;una [[circunferència]] i el seu [[diàmetro]] en [[geometria euclidiana]].&amp;lt;ref&amp;gt;{{Cita libro|título=MATEMÁTICA 6: Reforma Matemática Costa Rica|url=https://books.google.es/books?id=314xCgAAQBAJ&amp;amp;pg=PA61&amp;amp;dq=%CF%80+(pi)++relaci%C3%B3n+entre+la+longitud+de+una+circunferencia+y+su+di%C3%A1metro&amp;amp;hl=es&amp;amp;sa=X&amp;amp;ved=0ahUKEwjWl4G-xMbZAhUBvBQKHfj3DdYQ6AEILDAB#v=onepage&amp;amp;q=%CF%80%20(pi)%20%20relaci%C3%B3n%20entre%20la%20longitud%20de%20una%20circunferencia%20y%20su%20di%C3%A1metro&amp;amp;f=false|editorial=F Prima Grupo Consultor|isbn=9789930513101|idioma=es}}&amp;lt;/ref&amp;gt; És un [[número irracional]]&amp;lt;ref&amp;gt;{{Cita libro|apellidos=Incorporated|nombre=InterLingua com.google.es/books?id=tqgmdatAt0oC&amp;amp;pg=PA283&amp;amp;dq=%CF%80+(pi)+n%C3%BAmero+irracional&amp;amp;hl=es&amp;amp;sa=X&amp;amp;ved=0ahUKEwjs_9DhxMbZAhWF6RQKHU2dBu8Q6AEILTAB#v=onepage&amp;amp;q=%CF%80%20(pi)%20n%C3%BAmero%20irracional&amp;amp;f=false|fecha=2009|editorial=InterLingua Publishing|isbn=9781884730023|idioma=es}}&amp;lt;/ref&amp;gt; i una de les constants matemàtiques més importants. S&#039;emplea freqüentment en [[matemàtiques]], [[física]] i [[ingenieria]]. El [[valor numèric]] de π, [[Truncament|truncat]] a les seues primeres sifres, és el següent: π = 3.141 592 653 589 793 238 462...&amp;lt;ref&amp;gt;{{Cita libro|apellidos=Llamas|nombre=Edmundo|título=El libro de las Preguntas de Llamas|url=https://books.google.es/books?id=pm57AgAAQBAJ&amp;amp;pg=PA250&amp;amp;dq=valor+%CF%80+3.1415926535&amp;amp;hl=es&amp;amp;sa=X&amp;amp;ved=0ahUKEwiS4ZXbxcbZAhWJ0xQKHTvOAbMQ6AEIJzAA#v=onepage&amp;amp;q=valor%20%CF%80%203.1415926535&amp;amp;f=false|fecha=2013|editorial=Lulu.com|isbn=9780557073979|idioma=}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;El valor de π s&amp;#039;ha obtés en diverses [[aproximació|aproximacions]] a lo llarc de l&amp;#039;història, sent una de les constants matemàtiques que més apareix en les ecuacions de la física, junt en el [[número e]]. Cap destacar que el cocient entre la llongitud de qualsevol circunferència i la del seu diàmetro no és constant en geometries no euclidianes.&amp;lt;ref name=eemGaussianos&amp;gt;{{cita web |url=https://www.gaussianos.com/pi-no-siempre-vale-314159/ |título=Pi no siempre vale 3,14159… |idioma=es}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;El valor de π s&amp;#039;ha obtés en diverses [[aproximació|aproximacions]] a lo llarc de l&amp;#039;història, sent una de les constants matemàtiques que més apareix en les ecuacions de la física, junt en el [[número e]]. Cap destacar que el cocient entre la llongitud de qualsevol circunferència i la del seu diàmetro no és constant en geometries no euclidianes.&amp;lt;ref name=eemGaussianos&amp;gt;{{cita web |url=https://www.gaussianos.com/pi-no-siempre-vale-314159/ |título=Pi no siempre vale 3,14159… |idioma=es}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l6&quot;&gt;Llínea 6:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llínea 6:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Nom ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Nom ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Archiu:Pi-CM.svg|thumb|200px|Lletra grega pi. Símbol adoptat en [[1706]] per William Jones i popularisat per [[Leonhard Euler]]]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Archiu:Pi-CM.svg|thumb|200px|Lletra grega pi. Símbol adoptat en [[1706]] per William Jones i popularisat per [[Leonhard Euler]]]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;La notació en la [[alfabeto griego|lletra grega]] [[Pi (letra)|π]] prové de l&#039;inicial de les paraules d&#039;orige [[idioma grec|grec]] περιφέρεια «perifèria» i περίμετρον «perímetro» d&#039;un [[círcul]],&amp;lt;ref&amp;gt;G L Cohen and A G Shannon, John Ward&#039;s method for the calculation of pi, Historia Mathematica 8 (2) (1981), 133-144.&amp;lt;/ref&amp;gt; notació que fon utilisada primer per [[William Oughtred]] (1574-1660). El seu us fon propost &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;per el &lt;/del&gt;matemàtic galés [[William Jones (matemàtic)|William Jones]]&amp;lt;ref&amp;gt;New Introduction to Mathematics, William Jones, 1706, London&amp;lt;/ref&amp;gt; (1675-1749); encara que fon el matemàtic [[Leonhard Euler]], en la seua obra &#039;&#039;Introducció al càlcul infinitesimal&#039;&#039;, de [[1748]], qui la popularisà. Fon coneguda anteriorment com &#039;&#039;constant de Ludolph&#039;&#039; (en honor al matemàtic [[Ludolph van Ceulen]]) o com &#039;&#039;constant d&#039;Arquímedes&#039;&#039; (que no se deu confondre en el [[número d&#039;Arquímedes]]). Jones planteja el nom i símbol d&#039;este número en l&#039;any [[1706]] i Euler comença a difondre&#039;l en l&#039;any [[1736]].&amp;lt;ref name=&quot;beskin&quot;&amp;gt;Beskin. &#039;&#039;Fracciones maravillosas&#039;&#039;. Mir Moscú, (1987).&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;La notació en la [[alfabeto griego|lletra grega]] [[Pi (letra)|π]] prové de l&#039;inicial de les paraules d&#039;orige [[idioma grec|grec]] περιφέρεια «perifèria» i περίμετρον «perímetro» d&#039;un [[círcul]],&amp;lt;ref&amp;gt;G L Cohen and A G Shannon, John Ward&#039;s method for the calculation of pi, Historia Mathematica 8 (2) (1981), 133-144.&amp;lt;/ref&amp;gt; notació que fon utilisada primer per [[William Oughtred]] (1574-1660). El seu us fon propost &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;pel &lt;/ins&gt;matemàtic galés [[William Jones (matemàtic)|William Jones]]&amp;lt;ref&amp;gt;New Introduction to Mathematics, William Jones, 1706, London&amp;lt;/ref&amp;gt; (1675-1749); encara que fon el matemàtic [[Leonhard Euler]], en la seua obra &#039;&#039;Introducció al càlcul infinitesimal&#039;&#039;, de [[1748]], qui la popularisà. Fon coneguda anteriorment com &#039;&#039;constant de Ludolph&#039;&#039; (en honor al matemàtic [[Ludolph van Ceulen]]) o com &#039;&#039;constant d&#039;Arquímedes&#039;&#039; (que no se deu confondre en el [[número d&#039;Arquímedes]]). Jones planteja el nom i símbol d&#039;este número en l&#039;any [[1706]] i Euler comença a difondre&#039;l en l&#039;any [[1736]].&amp;lt;ref name=&quot;beskin&quot;&amp;gt;Beskin. &#039;&#039;Fracciones maravillosas&#039;&#039;. Mir Moscú, (1987).&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Clasificació ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Clasificació ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;π  és un número [[número irracional|irracional]], lo que significa que no pot expresar-se com fracció de dos números sancers, com demostrà [[Johann Heinrich Lambert]] en 1761 (o 1767). També és un [[número trascendent]], açò vol dir que no és la [[Raïl (matemàtica)|raïl]] de ningun [[polinomi]] de coeficients [[número sancer|sancers]]. En el [[sigle XIX]] el matemàtic [[Alemanya|alemà]] [[Ferdinand Lindemann]] demostrà este fet, tancant en això definitivament la permanent i ardua investigació sobre el problema de la [[cuadratura del círcul]] indicant que no te solució.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;π  és un número [[número irracional|irracional]], lo que significa que no pot expresar-se com fracció de dos números sancers, com demostrà [[Johann Heinrich Lambert]] en 1761 (o 1767). També és un [[número trascendent]], açò vol dir que no és la [[Raïl (matemàtica)|raïl]] de ningun [[polinomi]] de coeficients [[número sancer|sancers]]. En el [[sigle XIX]] el matemàtic [[Alemanya|alemà]] [[Ferdinand Lindemann]] demostrà este fet, tancant en això definitivament la permanent i ardua investigació sobre el problema de la [[cuadratura del círcul]] indicant que no te solució.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;També se &lt;/del&gt;sap que π tampoc és un [[número de Liouville]],&amp;lt;ref&amp;gt;Mahler, K. &quot;On the Approximation of.&quot; Nederl. Akad. Wetensch. Proc. Ser. A. 56/Indagationes Math. 15, 30-42, 1953.&amp;lt;/ref&amp;gt; no soles és trascendental sino que no pot ser aproximat per una secuència de racionals «rápidament convergent».&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Se &lt;/ins&gt;sap que π tampoc és un [[número de Liouville]],&amp;lt;ref&amp;gt;Mahler, K. &quot;On the Approximation of.&quot; Nederl. Akad. Wetensch. Proc. Ser. A. 56/Indagationes Math. 15, 30-42, 1953.&amp;lt;/ref&amp;gt; no soles és trascendental sino que no pot ser aproximat per una secuència de racionals «rápidament convergent».&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Sifres ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Sifres ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l18&quot;&gt;Llínea 18:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llínea 18:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;π ≈ 3.1415926535 8979323846 2643383279 5028841971 6939937510&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;π ≈ 3.1415926535 8979323846 2643383279 5028841971 6939937510&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Per a vore sequències majors d&#039;este número se pot consultat les referències,&amp;lt;ref&amp;gt;http://www.numberworld.org/misc_runs/pi-5t/details.html, 133-144&amp;lt;/ref&amp;gt; aixina com [http://mimosa.pntic.mec.es/jgomez53/matema/conocer/pi_10000.htm &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Les &lt;/del&gt;primeres dèu mil sifres decimals].&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Per a vore sequències majors d&#039;este número se pot consultat les referències,&amp;lt;ref&amp;gt;http://www.numberworld.org/misc_runs/pi-5t/details.html, 133-144&amp;lt;/ref&amp;gt; aixina com [http://mimosa.pntic.mec.es/jgomez53/matema/conocer/pi_10000.htm &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;les &lt;/ins&gt;primeres dèu mil sifres decimals].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;En ciència i ingenieria, esta constant se pot emplear, la majoria de les voltes, en una gran precisió &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;soles &lt;/del&gt;en una dotzena de decimals. En quaranta decimals se podria descriure en precisió la curvatura de la [[Via Làctea]] en un erro més chicotet que el tamany d&#039;un [[protó]].&amp;lt;ref&amp;gt;Bailey, David H., Borwein, Peter B. &amp;amp; Borwein, Jonathan M. (January 1997). «The Quest for Pi.» &#039;&#039;Mathematical Intelligencer&#039;&#039; (1): 50-57.&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;En ciència i ingenieria, esta constant se pot emplear, la majoria de les voltes, en una gran precisió &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;solament &lt;/ins&gt;en una dotzena de decimals. En quaranta decimals se podria descriure en precisió la curvatura de la [[Via Làctea]] en un erro més chicotet que el tamany d&#039;un [[protó]].&amp;lt;ref&amp;gt;Bailey, David H., Borwein, Peter B. &amp;amp; Borwein, Jonathan M. (January 1997). «The Quest for Pi.» &#039;&#039;Mathematical Intelligencer&#039;&#039; (1): 50-57.&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Referències ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Referències ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Llana</name></author>
	</entry>
	<entry>
		<id>https://www.lenciclopedia.org/w/index.php?title=N%C3%BAmero_pi&amp;diff=204332&amp;oldid=prev</id>
		<title>Llana en 17:01 14 maig 2022</title>
		<link rel="alternate" type="text/html" href="https://www.lenciclopedia.org/w/index.php?title=N%C3%BAmero_pi&amp;diff=204332&amp;oldid=prev"/>
		<updated>2022-05-14T17:01:08Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Revisió anterior&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revisió de 17:01 14 maig 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llínea 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llínea 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:2pi-unrolled.gif|thumb|right|200px|Pi en una recta, 2π és el doble de π]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:2pi-unrolled.gif|thumb|right|200px|Pi en una recta, 2π és el doble de π]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;El &#039;&#039;&#039;número pi&#039;&#039;&#039; &#039;&#039;&#039;(π)&#039;&#039;&#039; és la relació entre la llongitut &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;de la &lt;/del&gt;[[circunferència]] i el seu [[diàmetro]] en [[geometria euclidiana]].&amp;lt;ref&amp;gt;{{Cita libro|título=MATEMÁTICA 6: Reforma Matemática Costa Rica|url=https://books.google.es/books?id=314xCgAAQBAJ&amp;amp;pg=PA61&amp;amp;dq=%CF%80+(pi)++relaci%C3%B3n+entre+la+longitud+de+una+circunferencia+y+su+di%C3%A1metro&amp;amp;hl=es&amp;amp;sa=X&amp;amp;ved=0ahUKEwjWl4G-xMbZAhUBvBQKHfj3DdYQ6AEILDAB#v=onepage&amp;amp;q=%CF%80%20(pi)%20%20relaci%C3%B3n%20entre%20la%20longitud%20de%20una%20circunferencia%20y%20su%20di%C3%A1metro&amp;amp;f=false|editorial=F Prima Grupo Consultor|isbn=9789930513101|idioma=es}}&amp;lt;/ref&amp;gt; És un [[número irracional]]&amp;lt;ref&amp;gt;{{Cita libro|apellidos=Incorporated|nombre=InterLingua com.google.es/books?id=tqgmdatAt0oC&amp;amp;pg=PA283&amp;amp;dq=%CF%80+(pi)+n%C3%BAmero+irracional&amp;amp;hl=es&amp;amp;sa=X&amp;amp;ved=0ahUKEwjs_9DhxMbZAhWF6RQKHU2dBu8Q6AEILTAB#v=onepage&amp;amp;q=%CF%80%20(pi)%20n%C3%BAmero%20irracional&amp;amp;f=false|fecha=2009|editorial=InterLingua Publishing|isbn=9781884730023|idioma=es}}&amp;lt;/ref&amp;gt; i una de les constants matemàtiques més importants. S&#039;emplea freqüentment en [[matemàtiques]], [[física]] i [[ingenieria]]. El [[valor numèric]] de π, [[Truncament|truncat]] a les seues primeres sifres, és el següent: π = 3.141 592 653 589 793 238 462...&amp;lt;ref&amp;gt;{{Cita libro|apellidos=Llamas|nombre=Edmundo|título=El libro de las Preguntas de Llamas|url=https://books.google.es/books?id=pm57AgAAQBAJ&amp;amp;pg=PA250&amp;amp;dq=valor+%CF%80+3.1415926535&amp;amp;hl=es&amp;amp;sa=X&amp;amp;ved=0ahUKEwiS4ZXbxcbZAhWJ0xQKHTvOAbMQ6AEIJzAA#v=onepage&amp;amp;q=valor%20%CF%80%203.1415926535&amp;amp;f=false|fecha=2013|editorial=Lulu.com|isbn=9780557073979|idioma=}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;El &#039;&#039;&#039;número pi&#039;&#039;&#039; &#039;&#039;&#039;(π)&#039;&#039;&#039; és la relació entre la llongitut &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;d&#039;una &lt;/ins&gt;[[circunferència]] i el seu [[diàmetro]] en [[geometria euclidiana]].&amp;lt;ref&amp;gt;{{Cita libro|título=MATEMÁTICA 6: Reforma Matemática Costa Rica|url=https://books.google.es/books?id=314xCgAAQBAJ&amp;amp;pg=PA61&amp;amp;dq=%CF%80+(pi)++relaci%C3%B3n+entre+la+longitud+de+una+circunferencia+y+su+di%C3%A1metro&amp;amp;hl=es&amp;amp;sa=X&amp;amp;ved=0ahUKEwjWl4G-xMbZAhUBvBQKHfj3DdYQ6AEILDAB#v=onepage&amp;amp;q=%CF%80%20(pi)%20%20relaci%C3%B3n%20entre%20la%20longitud%20de%20una%20circunferencia%20y%20su%20di%C3%A1metro&amp;amp;f=false|editorial=F Prima Grupo Consultor|isbn=9789930513101|idioma=es}}&amp;lt;/ref&amp;gt; És un [[número irracional]]&amp;lt;ref&amp;gt;{{Cita libro|apellidos=Incorporated|nombre=InterLingua com.google.es/books?id=tqgmdatAt0oC&amp;amp;pg=PA283&amp;amp;dq=%CF%80+(pi)+n%C3%BAmero+irracional&amp;amp;hl=es&amp;amp;sa=X&amp;amp;ved=0ahUKEwjs_9DhxMbZAhWF6RQKHU2dBu8Q6AEILTAB#v=onepage&amp;amp;q=%CF%80%20(pi)%20n%C3%BAmero%20irracional&amp;amp;f=false|fecha=2009|editorial=InterLingua Publishing|isbn=9781884730023|idioma=es}}&amp;lt;/ref&amp;gt; i una de les constants matemàtiques més importants. S&#039;emplea freqüentment en [[matemàtiques]], [[física]] i [[ingenieria]]. El [[valor numèric]] de π, [[Truncament|truncat]] a les seues primeres sifres, és el següent: π = 3.141 592 653 589 793 238 462...&amp;lt;ref&amp;gt;{{Cita libro|apellidos=Llamas|nombre=Edmundo|título=El libro de las Preguntas de Llamas|url=https://books.google.es/books?id=pm57AgAAQBAJ&amp;amp;pg=PA250&amp;amp;dq=valor+%CF%80+3.1415926535&amp;amp;hl=es&amp;amp;sa=X&amp;amp;ved=0ahUKEwiS4ZXbxcbZAhWJ0xQKHTvOAbMQ6AEIJzAA#v=onepage&amp;amp;q=valor%20%CF%80%203.1415926535&amp;amp;f=false|fecha=2013|editorial=Lulu.com|isbn=9780557073979|idioma=}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;El valor de π s&amp;#039;ha obtés en diverses [[aproximació|aproximacions]] a lo llarc de l&amp;#039;història, sent una de les constants matemàtiques que més apareix en les ecuacions de la física, junt en el [[número e]]. Cap destacar que el cocient entre la llongitud de qualsevol circunferència i la del seu diàmetro no és constant en geometries no euclidianes.&amp;lt;ref name=eemGaussianos&amp;gt;{{cita web |url=https://www.gaussianos.com/pi-no-siempre-vale-314159/ |título=Pi no siempre vale 3,14159… |idioma=es}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;El valor de π s&amp;#039;ha obtés en diverses [[aproximació|aproximacions]] a lo llarc de l&amp;#039;història, sent una de les constants matemàtiques que més apareix en les ecuacions de la física, junt en el [[número e]]. Cap destacar que el cocient entre la llongitud de qualsevol circunferència i la del seu diàmetro no és constant en geometries no euclidianes.&amp;lt;ref name=eemGaussianos&amp;gt;{{cita web |url=https://www.gaussianos.com/pi-no-siempre-vale-314159/ |título=Pi no siempre vale 3,14159… |idioma=es}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l6&quot;&gt;Llínea 6:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llínea 6:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Nom ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Nom ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Archiu:Pi-CM.svg|thumb|200px|Lletra grega pi. Símbol adoptat en [[1706]] per William Jones i popularisat per [[Leonhard Euler]]]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Archiu:Pi-CM.svg|thumb|200px|Lletra grega pi. Símbol adoptat en [[1706]] per William Jones i popularisat per [[Leonhard Euler]]]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;La notació en la [[alfabeto griego|lletra grega]] [[Pi (letra)|π]] prové de l&#039;inicial de les paraules d&#039;orige [[idioma grec|grec]] περιφέρεια «perifèria» &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;y &lt;/del&gt;περίμετρον «perímetro» d&#039;un [[círcul]],&amp;lt;ref&amp;gt;G L Cohen and A G Shannon, John Ward&#039;s method for the calculation of pi, Historia Mathematica 8 (2) (1981), 133-144.&amp;lt;/ref&amp;gt; notació que fon utilisada primer per [[William Oughtred]] (1574-1660). El seu us fon propost per el matemàtic galés [[William Jones (matemàtic)|William Jones]]&amp;lt;ref&amp;gt;New Introduction to Mathematics, William Jones, 1706, London&amp;lt;/ref&amp;gt; (1675-1749); encara que fon el matemàtic [[Leonhard Euler]], en la seua obra &#039;&#039;Introducció al càlcul infinitesimal&#039;&#039;, de [[1748]], qui la popularisà. Fon coneguda anteriorment com &#039;&#039;constant de Ludolph&#039;&#039; (en honor al matemàtic [[Ludolph van Ceulen]]) o com &#039;&#039;constant d&#039;Arquímedes&#039;&#039; (que no se deu confondre en el [[número d&#039;Arquímedes]]). Jones planteja el nom i símbol d&#039;este número en l&#039;any [[1706]] i Euler comença a difondre&#039;l en l&#039;any [[1736]].&amp;lt;ref name=&quot;beskin&quot;&amp;gt;Beskin. &#039;&#039;Fracciones maravillosas&#039;&#039;. Mir Moscú, (1987).&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;La notació en la [[alfabeto griego|lletra grega]] [[Pi (letra)|π]] prové de l&#039;inicial de les paraules d&#039;orige [[idioma grec|grec]] περιφέρεια «perifèria» &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;i &lt;/ins&gt;περίμετρον «perímetro» d&#039;un [[círcul]],&amp;lt;ref&amp;gt;G L Cohen and A G Shannon, John Ward&#039;s method for the calculation of pi, Historia Mathematica 8 (2) (1981), 133-144.&amp;lt;/ref&amp;gt; notació que fon utilisada primer per [[William Oughtred]] (1574-1660). El seu us fon propost per el matemàtic galés [[William Jones (matemàtic)|William Jones]]&amp;lt;ref&amp;gt;New Introduction to Mathematics, William Jones, 1706, London&amp;lt;/ref&amp;gt; (1675-1749); encara que fon el matemàtic [[Leonhard Euler]], en la seua obra &#039;&#039;Introducció al càlcul infinitesimal&#039;&#039;, de [[1748]], qui la popularisà. Fon coneguda anteriorment com &#039;&#039;constant de Ludolph&#039;&#039; (en honor al matemàtic [[Ludolph van Ceulen]]) o com &#039;&#039;constant d&#039;Arquímedes&#039;&#039; (que no se deu confondre en el [[número d&#039;Arquímedes]]). Jones planteja el nom i símbol d&#039;este número en l&#039;any [[1706]] i Euler comença a difondre&#039;l en l&#039;any [[1736]].&amp;lt;ref name=&quot;beskin&quot;&amp;gt;Beskin. &#039;&#039;Fracciones maravillosas&#039;&#039;. Mir Moscú, (1987).&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Clasificació ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Clasificació ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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		<author><name>Llana</name></author>
	</entry>
	<entry>
		<id>https://www.lenciclopedia.org/w/index.php?title=N%C3%BAmero_pi&amp;diff=204331&amp;oldid=prev</id>
		<title>Llana: /* Sifres */</title>
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		<updated>2022-05-14T16:56:27Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;Sifres&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Revisió anterior&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revisió de 16:56 14 maig 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l14&quot;&gt;Llínea 14:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llínea 14:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Sifres ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Sifres ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;El &lt;/del&gt;número &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;pi és &lt;/del&gt;[[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;infinit&lt;/del&gt;]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, hui en dia es contínua treballant per descobrir més decimals i vore si existix alguna repetició entre les seues sifres&lt;/del&gt;:  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Encara que siga un [[&lt;/ins&gt;número &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;irracional]] continua sent averiguada la màxima cantitat possible de &lt;/ins&gt;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Número decimal|decimals&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. Els cinquanta primers son&lt;/ins&gt;:  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;3.&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;1415926535897932384626433832795028841971693993751058209749445923078164062862&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;π ≈ &lt;/ins&gt;3.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;1415926535 8979323846 2643383279 5028841971 6939937510&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;089986280348253421170679821480865132823066470938446095505822317253594081284811&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;174502841027019385211055596446229489549303819644288109756659334461284756482337&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Per a vore sequències majors d&#039;este número se pot consultat les referències,&amp;lt;ref&amp;gt;http://www&lt;/ins&gt;.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;numberworld&lt;/ins&gt;.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;org/misc_runs/pi-5t/details&lt;/ins&gt;.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;html, 133-144&lt;/ins&gt;&amp;lt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/&lt;/ins&gt;ref&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;aixina com [&lt;/ins&gt;http://mimosa.pntic.mec.es/jgomez53/matema/conocer/pi_10000.htm &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Les primeres dèu mil sifres decimals].&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;867831652712019091456485669234603486104543266482133936072602491412737245870066&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;063155881748815209209628292540917153643678925903600113305305488204665213841469&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;En ciència i ingenieria, esta constant se pot emplear, la majoria de les voltes, en una gran precisió soles en una dotzena de decimals. En quaranta decimals se podria descriure en precisió la curvatura de la [[Via Làctea]] en un erro més chicotet que el tamany d&#039;un [[protó]].&amp;lt;ref&amp;gt;Bailey, David H., Borwein, Peter B. &amp;amp; Borwein, Jonathan M. (January 1997). «The Quest for Pi.» &#039;&#039;Mathematical Intelligencer&#039;&#039; (1): 50-57.&lt;/ins&gt;&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;519415116094330572703657595919530921861173819326117931051185480744623799627495&lt;/del&gt;...&amp;lt;ref&amp;gt;http://mimosa.pntic.mec.es/jgomez53/matema/conocer/pi_10000.htm&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Referències ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Referències ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Llana</name></author>
	</entry>
	<entry>
		<id>https://www.lenciclopedia.org/w/index.php?title=N%C3%BAmero_pi&amp;diff=204330&amp;oldid=prev</id>
		<title>Llana en 16:40 14 maig 2022</title>
		<link rel="alternate" type="text/html" href="https://www.lenciclopedia.org/w/index.php?title=N%C3%BAmero_pi&amp;diff=204330&amp;oldid=prev"/>
		<updated>2022-05-14T16:40:58Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Revisió anterior&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revisió de 16:40 14 maig 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l9&quot;&gt;Llínea 9:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llínea 9:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Clasificació ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Clasificació ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;El número pi &lt;/del&gt;és un [[número irracional]] lo que &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;vol dir &lt;/del&gt;que no &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;es &lt;/del&gt;pot expresar com &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;a una &lt;/del&gt;[[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;fracció&lt;/del&gt;]]. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Este &lt;/del&gt;número &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;està englobat en un conjunt més gran &lt;/del&gt;que és el de [[número &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;real|números reals&lt;/del&gt;]].  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;π  &lt;/ins&gt;és un &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;número &lt;/ins&gt;[[número &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;irracional|&lt;/ins&gt;irracional]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, &lt;/ins&gt;lo que &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;significa &lt;/ins&gt;que no pot expresar&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;-se &lt;/ins&gt;com &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;fracció de dos números sancers, com demostrà &lt;/ins&gt;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Johann Heinrich Lambert&lt;/ins&gt;]] &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;en 1761 (o 1767)&lt;/ins&gt;. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;També és un [[&lt;/ins&gt;número &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;trascendent]], açò vol dir &lt;/ins&gt;que &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;no &lt;/ins&gt;és &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;la [[Raïl (matemàtica)|raïl]] de ningun [[polinomi]] de coeficients [[número sancer|sancers]]. En el [[sigle XIX]] el matemàtic [[Alemanya|alemà]] [[Ferdinand Lindemann]] demostrà este fet, tancant en això definitivament la permanent i ardua investigació sobre &lt;/ins&gt;el &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;problema &lt;/ins&gt;de &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;la [[cuadratura del círcul]] indicant que no te solució.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;També se sap que π tampoc és un &lt;/ins&gt;[[número &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;de Liouville&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;,&amp;lt;ref&amp;gt;Mahler, K. &quot;On the Approximation of.&quot; Nederl. Akad. Wetensch. Proc. Ser. A. 56/Indagationes Math. 15, 30-42, 1953.&amp;lt;/ref&amp;gt; no soles és trascendental sino que no pot ser aproximat per una secuència de racionals «rápidament convergent»&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Sifres ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Sifres ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l25&quot;&gt;Llínea 25:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llínea 27:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Enllaços externs ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Enllaços externs ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{Traduït de|es|España}}&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{commonscat|Pi}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{commonscat|Pi}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Llana</name></author>
	</entry>
	<entry>
		<id>https://www.lenciclopedia.org/w/index.php?title=N%C3%BAmero_pi&amp;diff=204329&amp;oldid=prev</id>
		<title>Llana en 16:20 14 maig 2022</title>
		<link rel="alternate" type="text/html" href="https://www.lenciclopedia.org/w/index.php?title=N%C3%BAmero_pi&amp;diff=204329&amp;oldid=prev"/>
		<updated>2022-05-14T16:20:31Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;vlc&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Revisió anterior&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revisió de 16:20 14 maig 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llínea 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llínea 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:2pi-unrolled.gif|thumb|right|200px|Pi en una recta, 2π és el doble de π]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:2pi-unrolled.gif|thumb|right|200px|Pi en una recta, 2π és el doble de π]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;El &#039;&#039;&#039;número pi&#039;&#039;&#039; &#039;&#039;&#039;(π)&#039;&#039;&#039; és la relació entre la llongitut de la [[circunferència]] i el seu [[diàmetro]] 3&#039;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;14159&lt;/del&gt;...  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;El &#039;&#039;&#039;número pi&#039;&#039;&#039; &#039;&#039;&#039;(π)&#039;&#039;&#039; és la relació entre la llongitut de la [[circunferència]] i el seu [[diàmetro]] &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;en [[geometria euclidiana]].&amp;lt;ref&amp;gt;{{Cita libro|título=MATEMÁTICA 6: Reforma Matemática Costa Rica|url=https://books.google.es/books?id=314xCgAAQBAJ&amp;amp;pg=PA61&amp;amp;dq=%CF%80+(pi)++relaci%C3%B3n+entre+la+longitud+de+una+circunferencia+y+su+di%C3%A1metro&amp;amp;hl=es&amp;amp;sa=X&amp;amp;ved=0ahUKEwjWl4G-xMbZAhUBvBQKHfj3DdYQ6AEILDAB#v=onepage&amp;amp;q=%CF%80%20(pi)%20%20relaci%C3%B3n%20entre%20la%20longitud%20de%20una%20circunferencia%20y%20su%20di%C3%A1metro&amp;amp;f=false|editorial=F Prima Grupo Consultor|isbn=9789930513101|idioma=es}}&amp;lt;/ref&amp;gt; És un [[número irracional]]&amp;lt;ref&amp;gt;{{Cita libro|apellidos=Incorporated|nombre=InterLingua com.google.es/books?id=tqgmdatAt0oC&amp;amp;pg=PA283&amp;amp;dq=%CF%80+(pi)+n%C3%BAmero+irracional&amp;amp;hl=es&amp;amp;sa=X&amp;amp;ved=0ahUKEwjs_9DhxMbZAhWF6RQKHU2dBu8Q6AEILTAB#v=onepage&amp;amp;q=%CF%80%20(pi)%20n%C3%BAmero%20irracional&amp;amp;f=false|fecha=2009|editorial=InterLingua Publishing|isbn=9781884730023|idioma=es}}&amp;lt;/ref&amp;gt; i una de les constants matemàtiques més importants. S&#039;emplea freqüentment en [[matemàtiques]], [[física]] i [[ingenieria]]. El [[valor numèric]] de π, [[Truncament|truncat]] a les seues primeres sifres, és el següent: π = &lt;/ins&gt;3&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;.141 592 653 589 793 238 462...&amp;lt;ref&amp;gt;{{Cita libro|apellidos=Llamas|nombre=Edmundo|título=El libro de las Preguntas de Llamas|url=https://books.google.es/books?id=pm57AgAAQBAJ&amp;amp;pg=PA250&amp;amp;dq=valor+%CF%80+3.1415926535&amp;amp;hl=es&amp;amp;sa=X&amp;amp;ved=0ahUKEwiS4ZXbxcbZAhWJ0xQKHTvOAbMQ6AEIJzAA#v=onepage&amp;amp;q=valor%20%CF%80%203.1415926535&amp;amp;f=false|fecha=2013|editorial=Lulu.com|isbn=9780557073979|idioma=}}&amp;lt;/ref&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;El valor de π s&lt;/ins&gt;&#039;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ha obtés en diverses [[aproximació|aproximacions]] a lo llarc de l&#039;història, sent una de les constants matemàtiques que més apareix en les ecuacions de la física, junt en el [[número e]]&lt;/ins&gt;. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Cap destacar que el cocient entre la llongitud de qualsevol circunferència i la del seu diàmetro no és constant en geometries no euclidianes&lt;/ins&gt;.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;ref name=eemGaussianos&amp;gt;{{cita web |url=https://www&lt;/ins&gt;.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;gaussianos.com/pi-no-siempre-vale-314159/ |título=Pi no siempre vale 3,14159… |idioma=es}}&amp;lt;/ref&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Nom ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Nom ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;El seu nom prové de &lt;/del&gt;la [[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;alfabet grec&lt;/del&gt;|lletra grega]] [[π]] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;descobert pels &lt;/del&gt;[[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Antic Egipte&lt;/del&gt;|&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;antics egipcis&lt;/del&gt;]] que &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;s&lt;/del&gt;&#039;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;anà fent popular a lo llarc &lt;/del&gt;de l&#039;[[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;història&lt;/del&gt;]] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;degut als misteris que giren &lt;/del&gt;en &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;torn ad ell&lt;/del&gt;.  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Archiu:Pi-CM.svg|thumb|200px|Lletra grega pi. Símbol adoptat en [[1706]] per William Jones i popularisat per [[Leonhard Euler]]]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;La notació en &lt;/ins&gt;la [[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;alfabeto griego&lt;/ins&gt;|lletra grega]] [[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Pi (letra)|&lt;/ins&gt;π]] &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;prové de l&#039;inicial de les paraules d&#039;orige [[idioma grec|grec]] περιφέρεια «perifèria» y περίμετρον «perímetro» d&#039;un &lt;/ins&gt;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;círcul]],&amp;lt;ref&amp;gt;G L Cohen and A G Shannon, John Ward&#039;s method for the calculation of pi, Historia Mathematica 8 (2) (1981), 133-144.&amp;lt;/ref&amp;gt; notació que fon utilisada primer per [[William Oughtred]] (1574-1660). El seu us fon propost per el matemàtic galés [[William Jones (matemàtic)&lt;/ins&gt;|&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;William Jones&lt;/ins&gt;]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;ref&amp;gt;New Introduction to Mathematics, William Jones, 1706, London&amp;lt;/ref&amp;gt; (1675-1749); encara &lt;/ins&gt;que &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;fon el matemàtic [[Leonhard Euler]], en la seua obra &#039;&#039;Introducció al càlcul infinitesimal&#039;&#039;, de [[1748]], qui la popularisà. Fon coneguda anteriorment com &#039;&lt;/ins&gt;&#039;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;constant &lt;/ins&gt;de &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Ludolph&#039;&#039; (en honor al matemàtic [[Ludolph van Ceulen]]) o com &#039;&#039;constant d&#039;Arquímedes&#039;&#039; (que no se deu confondre en el [[número d&#039;Arquímedes]]). Jones planteja el nom i símbol d&#039;este número en &lt;/ins&gt;l&#039;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;any &lt;/ins&gt;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;1706&lt;/ins&gt;]] &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;i Euler comença a difondre&#039;l &lt;/ins&gt;en &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;l&#039;any [[1736]].&amp;lt;ref name=&quot;beskin&quot;&amp;gt;Beskin. &#039;&#039;Fracciones maravillosas&#039;&#039;. Mir Moscú, (1987)&lt;/ins&gt;.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/ref&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Clasificació ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Clasificació ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Llana</name></author>
	</entry>
	<entry>
		<id>https://www.lenciclopedia.org/w/index.php?title=N%C3%BAmero_pi&amp;diff=142592&amp;oldid=prev</id>
		<title>Jose2: Text reemplaça - &#039; continua &#039; a &#039; contínua &#039;</title>
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		<updated>2018-11-20T21:07:54Z</updated>

		<summary type="html">&lt;p&gt;Text reemplaça - &amp;#039; continua &amp;#039; a &amp;#039; contínua &amp;#039;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Revisió anterior&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revisió de 21:07 20 nov 2018&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l9&quot;&gt;Llínea 9:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llínea 9:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Sifres ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Sifres ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;El número pi és [[infinit]], hui en dia es &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;continua &lt;/del&gt;treballant per descobrir més decimals i vore si existix alguna repetició entre les seues sifres:  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;El número pi és [[infinit]], hui en dia es &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;contínua &lt;/ins&gt;treballant per descobrir més decimals i vore si existix alguna repetició entre les seues sifres:  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;3.1415926535897932384626433832795028841971693993751058209749445923078164062862&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;3.1415926535897932384626433832795028841971693993751058209749445923078164062862&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key lenciclopediaorg:diff:1.41:old-80679:rev-142592:php=table --&gt;
&lt;/table&gt;</summary>
		<author><name>Jose2</name></author>
	</entry>
	<entry>
		<id>https://www.lenciclopedia.org/w/index.php?title=N%C3%BAmero_pi&amp;diff=80679&amp;oldid=prev</id>
		<title>Llana: /* Sifres */</title>
		<link rel="alternate" type="text/html" href="https://www.lenciclopedia.org/w/index.php?title=N%C3%BAmero_pi&amp;diff=80679&amp;oldid=prev"/>
		<updated>2015-02-22T17:10:50Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;Sifres&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;vlc&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Revisió anterior&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revisió de 17:10 22 feb 2015&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l9&quot;&gt;Llínea 9:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llínea 9:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Sifres ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Sifres ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;El número pi és infinit, hui en dia es continua treballant per descobrir més decimals i vore si existix alguna repetició entre les seues sifres:  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;El número pi és &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;infinit&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;, hui en dia es continua treballant per descobrir més decimals i vore si existix alguna repetició entre les seues sifres:  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;3.1415926535897932384626433832795028841971693993751058209749445923078164062862&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;3.1415926535897932384626433832795028841971693993751058209749445923078164062862&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Llana</name></author>
	</entry>
</feed>