1 Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:21.0) Gecko/20100101 Firefox/21.0 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1371013625 2013/06/12 14:07: 5 y=f(x) 1 新規に受け付けます。 20130612_140705 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Wed Jun 12 14:07:05 2013