5 Opera/9.80 (Windows NT 6.0; U; ja) Presto/2.9.168 Version/11.50 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1312732025 2011/08/08 00:47: 5 r=\frac{\sum_{i=1}^{n}(x_i- \overline{x})(y_i- \overline{y})}{\sqrt{\sum_{i=1}^{n}(x_i- \overline{x})^2 \sum_{i=1}^{n}(y_i- \overline{y})^2}} 7 ______(________________________) <IMG SRC="../cgi-cache/20110808_004629.gif"> ______ 正常に処理されました 20110808_004629 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Mon Aug 8 00:47:05 2011