This is pdfTeX, Version 3.14159265-2.6-1.40.15 (Web2C 2014) (preloaded format=pdflatex 2014.10.24) 30 OCT 2014 15:03 entering extended mode restricted \write18 enabled. %&-line parsing enabled. **osis.tex (./osis.tex LaTeX2e <2014/05/01> Babel <3.9k> and hyphenation patterns for 78 languages loaded. (/usr/local/share/texmf-dist/tex/latex/base/article.cls Document Class: article 2007/10/19 v1.4h Standard LaTeX document class (/usr/local/share/texmf-dist/tex/latex/base/size10.clo File: size10.clo 2007/10/19 v1.4h Standard LaTeX file (size option) ) \c@part=\count79 \c@section=\count80 \c@subsection=\count81 \c@subsubsection=\count82 \c@paragraph=\count83 \c@subparagraph=\count84 \c@figure=\count85 \c@table=\count86 \abovecaptionskip=\skip41 \belowcaptionskip=\skip42 \bibindent=\dimen102 ) (/usr/local/share/texmf-dist/tex/latex/amsfonts/amssymb.sty Package: amssymb 2013/01/14 v3.01 AMS font symbols (/usr/local/share/texmf-dist/tex/latex/amsfonts/amsfonts.sty Package: amsfonts 2013/01/14 v3.01 Basic AMSFonts support \@emptytoks=\toks14 \symAMSa=\mathgroup4 \symAMSb=\mathgroup5 LaTeX Font Info: Overwriting math alphabet `\mathfrak' in version `bold' (Font) U/euf/m/n --> U/euf/b/n on input line 106. )) (/usr/local/share/texmf-dist/tex/latex/amsmath/amsmath.sty Package: amsmath 2013/01/14 v2.14 AMS math features \@mathmargin=\skip43 For additional information on amsmath, use the `?' option. (/usr/local/share/texmf-dist/tex/latex/amsmath/amstext.sty Package: amstext 2000/06/29 v2.01 (/usr/local/share/texmf-dist/tex/latex/amsmath/amsgen.sty File: amsgen.sty 1999/11/30 v2.0 \@emptytoks=\toks15 \ex@=\dimen103 )) (/usr/local/share/texmf-dist/tex/latex/amsmath/amsbsy.sty Package: amsbsy 1999/11/29 v1.2d \pmbraise@=\dimen104 ) (/usr/local/share/texmf-dist/tex/latex/amsmath/amsopn.sty Package: amsopn 1999/12/14 v2.01 operator names ) \inf@bad=\count87 LaTeX Info: Redefining \frac on input line 210. \uproot@=\count88 \leftroot@=\count89 LaTeX Info: Redefining \overline on input line 306. \classnum@=\count90 \DOTSCASE@=\count91 LaTeX Info: Redefining \ldots on input line 378. LaTeX Info: Redefining \dots on input line 381. LaTeX Info: Redefining \cdots on input line 466. \Mathstrutbox@=\box26 \strutbox@=\box27 \big@size=\dimen105 LaTeX Font Info: Redeclaring font encoding OML on input line 566. LaTeX Font Info: Redeclaring font encoding OMS on input line 567. \macc@depth=\count92 \c@MaxMatrixCols=\count93 \dotsspace@=\muskip10 \c@parentequation=\count94 \dspbrk@lvl=\count95 \tag@help=\toks16 \row@=\count96 \column@=\count97 \maxfields@=\count98 \andhelp@=\toks17 \eqnshift@=\dimen106 \alignsep@=\dimen107 \tagshift@=\dimen108 \tagwidth@=\dimen109 \totwidth@=\dimen110 \lineht@=\dimen111 \@envbody=\toks18 \multlinegap=\skip44 \multlinetaggap=\skip45 \mathdisplay@stack=\toks19 LaTeX Info: Redefining \[ on input line 2665. LaTeX Info: Redefining \] on input line 2666. ) (./osis.aux) \openout1 = `osis.aux'. LaTeX Font Info: Checking defaults for OML/cmm/m/it on input line 4. LaTeX Font Info: ... okay on input line 4. LaTeX Font Info: Checking defaults for T1/cmr/m/n on input line 4. LaTeX Font Info: ... okay on input line 4. LaTeX Font Info: Checking defaults for OT1/cmr/m/n on input line 4. LaTeX Font Info: ... okay on input line 4. LaTeX Font Info: Checking defaults for OMS/cmsy/m/n on input line 4. LaTeX Font Info: ... okay on input line 4. LaTeX Font Info: Checking defaults for OMX/cmex/m/n on input line 4. LaTeX Font Info: ... okay on input line 4. LaTeX Font Info: Checking defaults for U/cmr/m/n on input line 4. LaTeX Font Info: ... okay on input line 4. ! Missing $ inserted. $ l.6 \Huge{\left {\frac{OS}{IS}\right}} ? run OK, entering \nonstopmode... LaTeX Font Info: Try loading font information for U+msa on input line 6. (/usr/local/share/texmf-dist/tex/latex/amsfonts/umsa.fd File: umsa.fd 2013/01/14 v3.01 AMS symbols A ) LaTeX Font Info: Try loading font information for U+msb on input line 6. (/usr/local/share/texmf-dist/tex/latex/amsfonts/umsb.fd File: umsb.fd 2013/01/14 v3.01 AMS symbols B ) ! Missing delimiter (. inserted). { l.6 \Huge{\left{ \frac{OS}{IS}\right}} I was expecting to see something like `(' or `\{' or `\}' here. If you typed, e.g., `{' instead of `\{', you should probably delete the `{' by typing `1' now, so that braces don't get unbalanced. Otherwise just proceed. Acceptable delimiters are characters whose \delcode is nonnegative, or you can use `\delimiter '. ! Missing } inserted. } l.6 \Huge{\left{\frac{OS}{IS}\right }} I've inserted something that you may have forgotten. (See the above.) With luck, this will get me unwedged. But if you really didn't forget anything, try typing `2' now; then my insertion and my current dilemma will both disappear. ! Missing delimiter (. inserted). } l.6 \Huge{\left{\frac{OS}{IS}\right} } I was expecting to see something like `(' or `\{' or `\}' here. If you typed, e.g., `{' instead of `\{', you should probably delete the `{' by typing `1' now, so that braces don't get unbalanced. Otherwise just proceed. Acceptable delimiters are characters whose \delcode is nonnegative, or you can use `\delimiter '. ! Extra }, or forgotten $. } l.6 \Huge{\left{\frac{OS}{IS}\right} } I've deleted a group-closing symbol because it seems to be spurious, as in `$x}$'. But perhaps the } is legitimate and you forgot something else, as in `\hbox{$x}'. In such cases the way to recover is to insert both the forgotten and the deleted material, e.g., by typing `I$}'. ! Extra }, or forgotten $. l.6 \Huge{\left{\frac{OS}{IS}\right}} I've deleted a group-closing symbol because it seems to be spurious, as in `$x}$'. But perhaps the } is legitimate and you forgot something else, as in `\hbox{$x}'. In such cases the way to recover is to insert both the forgotten and the deleted material, e.g., by typing `I$}'. ! Missing $ inserted. $ l.7 I've inserted a begin-math/end-math symbol since I think you left one out. Proceed, with fingers crossed. [1 {/usr/local/share/texmf-dist/fonts/map/pdftex/updmap/pdftex.map}] (./osis.aux) ) (\end occurred inside a group at level 1) ### simple group (level 1) entered at line 6 ({) ### bottom level Here is how much of TeX's memory you used: 1101 strings out of 493117 12177 string characters out of 6138549 62407 words of memory out of 5000000 4616 multiletter control sequences out of 15000+600000 8278 words of font info for 32 fonts, out of 8000000 for 9000 1141 hyphenation exceptions out of 8191 27i,4n,26p,200b,123s stack positions out of 5000i,2500n,10000p,300000b,80000s Output written on osis.pdf (1 page, 16869 bytes). PDF statistics: 16 PDF objects out of 1000 (max. 8388607) 10 compressed objects within 1 object stream 0 named destinations out of 1000 (max. 500000) 1 words of extra memory for PDF output out of 10000 (max. 10000000)