1 Opera/9.80 (Windows NT 6.0; U; en) Presto/2.9.168 Version/11.50 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1313977008 2011/08/22 10:36:48 y=f(x) 1 新規に受け付けます。 20110822_103648 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Mon Aug 22 10:36:48 2011