User:Joe

Contact Info

 * post on my discussion page.(probably the best method)
 * joe at proofwiki.org ([mailto:joe@proofwiki.org mailto])
 * webmaster at proofwiki.org ([mailto:webmaster@proofwiki.org mailto] for site related things)

Things That I Edited
So I can find them easily


 * Mediawiki:Edittools
 * Mediawiki:Common.js
 * Mediawiki:Common.css

By Differentiation
$x=\underbrace{1+1+1+\ldots+1}_{\mbox{x times}}$

$x^2 = \underbrace{x+x+x+\ldots+x}_{\mbox{x times}}$

$2x=\underbrace{1+1+1+\ldots+1}_{\mbox{x times}}$, by differentiating w.r.t. $x$

$2x=x$

$2=1$