12. LaTeX
- A macro package for (Plain) TeX.
 - Uses document style --- determines how a document will be,
    formatted (how it will look).
 - Many styles available:  research papers, books, 
    "slide"-presentations, letters,...
 
Structure:
 | 
  \documentclass[11pt]{article}         % Select style.
  \begin{document}                      % Begin document.
    .
    .                                   % Text of document.
    .
  \end{document}                        % End document.
 | 
Document Styles and Style Options
There are several standard document styles available in LaTeX including:
- article
 
- 
  For short documents and articles for publication (no chapters;  title at
  top of first page).
 
- report
 
- 
  For longer documents (chapters available;  title on own page).
 
- book
 
- 
  Layout adjusted for verso (even, left-hand) and recto (odd, right-hand).
 
- letter
 
- 
  Address, signature, etc.
 
- 11pt, 12pt
 
- 
  Prints document using 11pt or 12pt running text (default is 10pt).  
 
- twoside
 
- 
  Layout adjusted as book.
 
- twocolumn
 
- 
  Two columns a page.
 
- titlepage
 
- 
  Causes title to be on its own page.