1 Mozilla/5.0 (X11; U; Linux i686; ja; rv:1.9.1.16) Gecko/20110108 Vine/3.5.16-1vl5 Firefox/3.5.16 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1326420903 2012/01/13 11:15: 3 y=f(x) 1 新規に受け付けます。 20120113_111503 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Fri Jan 13 11:15:03 2012