1 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_1) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0.1 Safari/605.1.15 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.205.34 1542187145 2018/11/14 18:19: 5 y=f(x) 1 新規に受け付けます。 20181114_181905 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Wed Nov 14 18:19:05 2018