1 Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.4 Mobile/15E148 Safari/604.1 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.206.41 1583563281 2020/03/07 15:41:21 y=f(x) 1 新規に受け付けます。 20200307_154121 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Sat Mar 7 15:41:21 2020