1 Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:35.0) Gecko/20100101 Firefox/35.0 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.205.34 1454840104 2016/02/07 19:15: 4 y=f(x) 1 新規に受け付けます。 20160207_191504 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Sun Feb 7 19:15:04 2016