10 Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.206.41 1624333064 2021/06/22 12:37:44 y=-2(x-3)^2 4 <IMG SRC="../cgi-cache/20210622_123647.gif"> 変換 正常に処理されました 20210622_123647 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Tue Jun 22 12:37:44 2021