From: hackbard Date: Thu, 9 Feb 2012 15:55:56 +0000 (+0100) Subject: more math X-Git-Url: https://hackdaworld.org/gitweb/?a=commitdiff_plain;ds=sidebyside;h=4359ea153bdf6212f1ecd120306586c5e0411c97;hp=4359ea153bdf6212f1ecd120306586c5e0411c97;p=lectures%2Flatex.git more math ---