https://www.explainxkcd.com/wiki/api.php?action=feedcontributions&feedformat=atom&user=87.122.60.227explain xkcd - User contributions [en]2026-07-09T13:11:15ZUser contributionsMediaWiki 1.30.0https://www.explainxkcd.com/wiki/index.php?title=Talk:1184:_Circumference_Formula&diff=30260Talk:1184: Circumference Formula2013-03-11T17:19:59Z<p>87.122.60.227: </p>
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<div>:Tau x Radius, superscript 2<br />
:Leaves one wondering what the superscript 1 refers. {{unsigned|74.215.40.250}}<br />
::It's 2''&pi;r''<sup>2</sup>, '''not''' ''&tau;r''<sup>2</sup>. —[[Special:Contributions/173.199.215.5|173.199.215.5]] 05:37, 11 March 2013 (UTC)<br />
:::You're missing the point. ''&tau;'' == 2''&pi;'' and is considered better than using ''&pi;'' by some people {{unsigned|138.195.69.136}}<br />
::::Only for very loose definitions of "better." [[Special:Contributions/71.201.53.130|71.201.53.130]] 14:59, 11 March 2013 (UTC)<br />
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:Not completely sure Earth Prime is from Sliders, but it's true it's the [http://en.wikipedia.org/wiki/Earth_Prime only one named exactly that] ... -- [[User:Hkmaly|Hkmaly]] ([[User talk:Hkmaly|talk]]) 09:54, 11 March 2013 (UTC)<br />
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There's also a [http://dc.wikia.com/wiki/Prime_Earth Prime Earth] now. Just so DC can screw with us. [[User:Hogtree Octovish|Hogtree Octovish]] ([[User talk:Hogtree Octovish|talk]]) 10:40, 11 March 2013 (UTC)<br />
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I still don't get it.[[Special:Contributions/49.176.102.213|49.176.102.213]] 12:41, 11 March 2013 (UTC)<br />
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Well, that was lame. --[[Special:Contributions/87.122.60.227|87.122.60.227]] 17:19, 11 March 2013 (UTC)</div>87.122.60.227