This is pdfTeX, Version 3.14159-1.10b (Web2C 7.4.5) (format=pdflatex 2003.6.26) 10 AUG 2004 09:36 \write18 enabled. **errorgraph.tex (./errorgraph.tex{/sw/share/texmf/pdftex/config/pdftex.cfg} LaTeX2e <2001/06/01> Babel and hyphenation patterns for american, french, german, ngerman, n ohyphenation, loaded. \plotpoint=\box26 LaTeX Font Info: External font `cmex10' loaded for size (Font) <7> on input line 6. LaTeX Font Info: External font `cmex10' loaded for size (Font) <5> on input line 6. ! Undefined control sequence. \rotatebox {90}{$\log _{10}\left ( \epsilon \right )$} l.7 ...ox{90}{$\log_{10}\left( \epsilon \right)$}} ? ! Emergency stop. \rotatebox {90}{$\log _{10}\left ( \epsilon \right )$} l.7 ...ox{90}{$\log_{10}\left( \epsilon \right)$}} End of file on the terminal! Here is how much of TeX's memory you used: 9 strings out of 95437 110 string characters out of 1190295 44508 words of memory out of 1000001 3107 multiletter control sequences out of 10000+50000 3640 words of font info for 14 fonts, out of 500000 for 1000 14 hyphenation exceptions out of 1000 20i,4n,15p,81b,88s stack positions out of 1500i,500n,5000p,200000b,5000s 0 PDF objects out of 300000 0 named destinations out of 131072 0 words of extra memory for PDF output out of 65536 No pages of output.