Math Help - Cancel package

I'm struggling to install the cancel package in TeXnicCenter . No success at all...

The cancel package belongs to C:\Program Files\MiKTeX 2.7\tex\latex\ltxmisc

I certainly see ltxmisc as "installed" in the MikTex package manager.

I also run the TeXnicCenter "Tools" => "Import Tex Commands" and imported such ltxmisc.

This action created an ltxmisc.xml file under C:\Program Files\TeXnicCenter\packages

Still, the TexnicCenter does not recognize at all the command \cancelto

Any hint??

Thanks a bunch!

Go to Start - All programs - MikTeX 2.7 - Settings.

Observe "Refresh FNDB" and press it. Let's see if that will work.

Does not work...

But wait, we're omitting something important here:

I assumed you put \usepackage{cancel} in the preamble, did you do that?

Thanks!

But...

I added \usepackage{cancel} with other commands in the preamble of the
LaTex document.

Still not working. I'm enclosing the complains of the tool.

P.S. I'm doing the same work in parallel with Aurora. No success either.

This is pdfTeX, Version 3.141592-1.40.4 (MiKTeX 2.7) (preloaded format=pdflatex 2008.3.28) 28 MAR 2008 17:55
entering extended mode
**C:/Garbage/LaTeX1.tex
(C:/Garbage/LaTeX1.tex
LaTeX2e <2005/12/01>
Babel <v3.8h> and hyphenation patterns for english, dumylang, nohyphenation, ge
rman, ngerman, french, loaded.
("C:\Program Files\MiKTeX 2.7\tex\latex\base\article.cls"
Document Class: article 2005/09/16 v1.4f Standard LaTeX document class
("C:\Program Files\MiKTeX 2.7\tex\latex\base\size10.clo"
File: size10.clo 2005/09/16 v1.4f 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
) (cancel.sty
Package: cancel 2000/03/12 v2.1 Cancel math terms
)
(LaTeX1.aux)
LaTeX Font Info: Checking defaults for OML/cmm/m/it on input line 5.
LaTeX Font Info: ... okay on input line 5.
LaTeX Font Info: Checking defaults for T1/cmr/m/n on input line 5.
LaTeX Font Info: ... okay on input line 5.
LaTeX Font Info: Checking defaults for OT1/cmr/m/n on input line 5.
LaTeX Font Info: ... okay on input line 5.
LaTeX Font Info: Checking defaults for OMS/cmsy/m/n on input line 5.
LaTeX Font Info: ... okay on input line 5.
LaTeX Font Info: Checking defaults for OMX/cmex/m/n on input line 5.
LaTeX Font Info: ... okay on input line 5.
LaTeX Font Info: Checking defaults for U/cmr/m/n on input line 5.
LaTeX Font Info: ... okay on input line 5.
LaTeX Font Info: External font `cmex10' loaded for size
(Font) <7> on input line 9.
LaTeX Font Info: External font `cmex10' loaded for size
(Font) <5> on input line 9.

Overfull \hbox (139.83pt too wide) detected at line 51
\OML/cmm/m/it/10 v \OT1/cmr/m/n/10 + [][] [] \OML/cmm/m/it/10 dt \OT1/cmr/m/n
/10 + [] [][] [] \OML/cmm/m/it/10 dt \OT1/cmr/m/n/10 + [][] [] \OML/cmm/m/it
/10 dt \OT1/cmr/m/n/10 + [] [][] \OML/cmm/m/it/10 g[][]dX[] \OT1/cmr/m/n/10
=
[]


Overfull \hbox (136.25307pt too wide) detected at line 57
\OML/cmm/m/it/10 v \OT1/cmr/m/n/10 + [][] [] \OML/cmm/m/it/10 dt \OT1/cmr/m/n
/10 + [] [][] [] \OML/cmm/m/it/10 d [][] \OT1/cmr/m/n/10 + [][] [] \OML/cmm/
m/it/10 dt \OT1/cmr/m/n/10 + [] [][] \OML/cmm/m/it/10 g[][]dX[]
[]

)
! Emergency stop.
<*> C:/Garbage/LaTeX1.tex

*** (job aborted, no legal \end found)


Here is how much of TeX's memory you used:
231 strings out of 95340
2300 string characters out of 1184155
50586 words of memory out of 1500000
3500 multiletter control sequences out of 110000
3640 words of font info for 14 fonts, out of 1200000 for 2000
14 hyphenation exceptions out of 8191
23i,11n,19p,238b,150s stack positions out of 5000i,500n,10000p,200000b,5000s
! ==> Fatal error occurred, no output PDF file produced!

Could you post the preamble that you're currently using?

\documentclass[letterpaper,10pt]{article}
\addtolength{\oddsidemargin}{-90pt}
\usepackage{cancel}

\begin{document}
\begin{flushleft}

That preamble is incomplete, the normal one is

\documentclass[letterpaper,10pt]{article}
\addtolength{\oddsidemargin}{-90pt}
\usepackage{cancel}

\begin{document}
\begin{flushleft}
$\displaystyle\frac{32}{64}=\frac{2\times4\times4} {4\times4\times4}
=\frac{\cancelto{1}{2}\times\cancel{4}\times\cance l{4}}{\cancelto{2}{4}\times\cancel{4}\times\cancel {4}}
=\frac12$
\end{flushleft}
\end{document}

I typed that and it worked out.

Everything works now!

Even with Aurora!

Not time now for understanding the preamble. Later.

For now, Thanks so much!

...