# Font Change Doesn't Show in TeXShop

I'm extremely new to TeX. I'm currently using TeXShop 3.26 on OSX Mavericks. I've located the font change menu under preferences, however, after choosing my desired font, the changes only show up on the editor and not the actual document after typesetting. Thanks.

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Welcome to TeX.SX! You can have a look at our starter guide to familiarize yourself further with our format. Long story short, remember that all information needed to typeset your document is in the text of your source file. If you don't see a change in the actual text, your document hasn't changed. –  Sean Allred Dec 29 '13 at 20:14
Take a look at stackoverflow.com/q/877597/1443496 and en.wikibooks.org/wiki/LaTeX/Fonts. You might also want to take a look at XeTeX and the fontspec package. –  Sean Allred Dec 29 '13 at 20:16
The font used in the editor has no relation whatsoever with the font in the LaTeX output PDF file. In the TeXShop window you're just editing a text file. In order to get a different font than the default in the output, issue an appropriate \usepackage command. –  egreg Dec 29 '13 at 20:22

You can try for example the following commands in the preamble :

\usepackage{times}


or

\usepackage{helvet}

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If you want to use XeTeX, you can use something like this:

% !TEX TS-program = XeLaTeX
% the above line is TeXShop specific -- it will set
% the engine for you when you open the document

\documentclass{article}
\usepackage{fontspec}

\setmainfont{Hoefler Text}

\usepackage{mwe}
\begin{document}
\Blinddocument
\end{document}


You can set the engine within the menu system with Macros > Program > XeLaTeX.

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Indeed, the preferences font change menu is there only to change the font used to type your source-code in the editor, which has nothing to do with the actual font in the final document. To use a (text) font in the final document, you have two ways for proceeding : if you compile with latex or pdflatex, you need to load a package that explains (pdf)latex how to use this font – or to create one yourself, and load it. Currently, there is a comparatively small number of fonts you can use this way, among which, URW Garamond no 8, BitStream Charter, Adobe Utopia, Minion Pro, Times, Palatino, kpfonts. The corresponding packages have support for maths.

The other way is to compile with xelatex or lualatex: you then have to load the fontspec package and set any chosen font, say Adobe Caslon Pro, in this way:

\usepackage{fontspec}