1 Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:10.0.2) Gecko/20100101 Firefox/10.0.2 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1334646427 2012/04/17 16:07: 7 y=f(x) 1 新規に受け付けます。 20120417_160707 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Tue Apr 17 16:07:07 2012