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Thanks Joseph! This is precisely what I'm looking for.

To be honest I usually use the big "I" to represent the indentity and most books uses this one. But I remember seeing this one:
identity.png
I drew this with paint because I can't find a webpage that uses it.

Thank you!


Edit by localghost : No external links (see Board Rules)! Attachments go ...

Hi, how to type the identity matrix symbol (the double ones). I don't mean the symbol.

I can't also find it in the The Comprehensive LATEX Symbol List.

Please help!

Thanks frabjous and localghost for the suggestions, I will try it. Cheers

Hi, what command line can I use to change the location of the pdf, I do not want it to be in the same folder as the tex file. Also, I am not looking to change the editor's settings, because I am working on three different reports and I just need one of them to produce the pdf in another directory ...

Thanks! I installed Perl and run the command line as you have suggested and it worked perfectly.

Thanks Stefan, I installed the pdfcrop package using the package manager, but I get an error when I compile the code.

Can you please suggest how to use it exactly? is this valid: I appreciate it a lot.

Hi, is there an automatic way (a package perhaps) to set up the page size exactly to the content of the pdf with no margins, header or footer (or page number). For example, I need a single equation line to appear in the pdf without any white margins surrounding it, and I need to create such ...

Thanks very much localghost. I followed the manual you suggested and found the MikTex Package Manager (which I didn't know it existed!) and installed the beamer package.

Cheers

haaj86

Hi,

I have used Beamer class before on windows vista with MikTeX & TeXnicCenter. Now, I have windows 7, and I installed both Miktex and texniccenter, but when I try to creat a presentation as simple as:

\documentclass{beamer}
\title{Example}
\author{haaj86}
\begin{document}
\frame{\titlepage ...