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how to puter Nº in latex?
N^\b o the thing after it goes strange
putting {}
putting $$ gives a error can't put b
any idea?

interesting.. the l2 tabu i didn't have
and thanks

\documentclass[12pt,a4paper]{article}
%\usepackage{graphicx}

\title {Buffon's Needle}

\author {name \\institute \\city}

\begin{document}

\begin{center}
\maketitle
\end{center}

\pagebreak

\section{Introduction}

$\frac {2}{3}$

\end{document}


i am new to latex (First day :P)
didn't get ...