LaTeX Guide

Learn important LaTeX commands

Authored by
CS193 Team
March 26, 2021


  • \documentclass{article} specifies the type of document that is going to be created. The area between the \documentclass{...} and the \begin{document} is know as the preamble. In this case, it is article, which is used of scientific journals, presentations, short reports, etc. Other document types are shown in the table below:
Document Class Purpose
article Articles in scientific journals, presentations, short reports, program documentation, invitations, …
report Longer reports containing several chapters, small books, thesis, …
book Real books.
slides Slides with big sans serif letters.
letter Writing letters
  • The top matter includes the title, author, and date. These fields are used to store information about the document. This is useful for allowing LaTeX to automatically generate a title header for your document.

  • \begin{document} and \end{document} is where all the document contents are located. The information you type into your document will be stored between these two tags.


  • \maketitle creates a title for document with the project title, author name, and date.


There are several types of section headers to choose from. Replace the “…” with your desired section title.

  • \section{...}
  • \subsection{...}
  • \subsubsection{...}
  • \paragraph{...}
  • \subparagraph{...}
Section Types
Category: technical

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