1 Mozilla/5.0 (Windows; U; Windows NT 5.1; ja; rv:1.9.2.20) Gecko/20110803 Firefox/3.6.20 GTB7.1 ( .NET CLR 3.5.30729; .NET4.0E) /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1315795029 2011/09/12 11:37: 9 y=f(x) 1 新規に受け付けます。 20110912_113709 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Mon Sep 12 11:37:09 2011