6 Mozilla/5.0 (Windows NT 6.0; WOW64) AppleWebKit/535.7 (KHTML, like Gecko) Iron/16.0.950.0 Chrome/16.0.950.0 Safari/535.7 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1335317983 2012/04/25 10:39:43 a&=&3, b = 1.3 (DiscounrFactor &gt; 0.0)\nonumber\\ a&=&3, b = 1.2 (Otherwise) 5 [画像は表示できません] ______ エラーがありました ! LaTeX Error: Too many columns in eqnarray environment. See the LaTeX manual or LaTeX Companion for explanation. Type H <return> for immediate help. ... l.18 ...1.3 (DiscounrFactor &gt; 0.0)\nonumber\\ a &=&3, b = 1.2 (Otherwise)% ? ! Emergency stop. ... l.18 ...1.3 (DiscounrFactor &gt; 0.0)\nonumber\\ a &=&3, b = 1.2 (Otherwise)% Try typing <return> to proceed. If that doesn't work, type X <return> to quit. Here is how much of TeX's memory you used: 290 strings out of 95552 3028 string characters out of 1191857 49908 words of memory out of 1000000 3508 multiletter control sequences out of 10000+50000 10795 words of font info for 42 fonts, out of 500000 for 2000 14 hyphenation exceptions out of 1000 22i,5n,19p,220b,87s stack positions out of 1500i,500n,5000p,200000b,5000s No pages of output. 20120425_103822 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Wed Apr 25 10:39:43 2012