1 Mozilla/5.0 (iPad; CPU OS 13_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/83.0.4103.63 Mobile/15E148 Safari/604.1 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.206.41 1592171581 2020/06/15 06:53: 1 y=f(x) 1 新規に受け付けます。 20200615_065301 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Mon Jun 15 06:53:01 2020