1 Mozilla/5.0 (Linux; Android 9; SH-01L) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Mobile Safari/537.36 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.206.41 1581257676 2020/02/09 23:14:36 y=f(x) 1 新規に受け付けます。 20200209_231436 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Sun Feb 9 23:14:36 2020