1 Opera/9.80 (Windows NT 5.1; U; ja) Presto/2.8.131 Version/11.10 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1315669830 2011/09/11 00:50:30 y=f(x) 1 新規に受け付けます。 20110911_005030 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online_s.html Sun Sep 11 00:50:30 2011