1 Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.111 Safari/537.36 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.205.34 1451634542 2016/01/01 16:49: 2 y=f(x) 1 新規に受け付けます。 20160101_164902 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Fri Jan 1 16:49:02 2016