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\section{Writing math for the web!}  Authorea supports \LaTeX, a powerful typesetting program that renders beautiful math notation. In order to insert LaTeX: \textbf{click on the Insert button in the toolbar and then select LaTeX from the dropdown}. A LaTeX label shows next to the LaTeX block in which you can write LaTeX notation.  There are two ways to present a mathematical expression--- \emph{inline} or as an \emph{equation}.