1 Mozilla/5.0 (Windows NT 6.1; rv:64.0) Gecko/20100101 Firefox/64.0 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.205.34 1544684047 2018/12/13 15:54: 7 y=f(x) 1 新規に受け付けます。 20181213_155407 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Thu Dec 13 15:54:07 2018