1 Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:73.0) Gecko/20100101 Firefox/73.0 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.206.41 1582634151 2020/02/25 21:35:51 y=f(x) 1 新規に受け付けます。 20200225_213551 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Tue Feb 25 21:35:51 2020