1 Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.57 Safari/537.17 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1360310880 2013/02/08 17:08: 0 y=f(x) 1 新規に受け付けます。 20130208_170800 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Fri Feb 8 17:08:00 2013