1 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0) Gecko/20100101 Firefox/76.0 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.206.41 1588996081 2020/05/09 12:48: 1 y=f(x) 1 新規に受け付けます。 20200509_124801 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Sat May 9 12:48:01 2020