LaTeX Tutorials

\documentclass[]{article}

\usepackage{amsmath}
\title{Hello World in \LaTeX}
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\section*{Ramnujan expression for $\pi$}
Since this a \LaTeXe document we can do some funny things like expressing the Srinivasa Ramanujan expansion for $\pi$

\[
\frac{1}{\pi} = \frac{2\sqrt{2}}{9801} \sum^\infty_{k=0} \frac{(4k)!(1103+26390k)}{(k!)^4 396^{4k}}
\]

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