\documentclass[pdf,gyom,slideColor,colorBG]{prosper} \usepackage{amsmath} \begin{document} \begin{slide}{The quest for $\pi$} \begin{itemize} \item The following formula computes $8$ correct digits per iteration (Ramanujan): \end{itemize} \begin{small} \begin{equation*} \frac{1}{\pi}=\sum_{n=0}^\infty \frac{(\frac{1}{4})_n(\frac{2}{4})_n(\frac{3}{4})_n}{n!^3}\bigl(2\sqrt{2}(1103+26390n)\bigr)\frac{1}{(99^2)^{2n+1}} \end{equation*} \end{small} \end{slide} \end{document} %%% Local Variables: %%% mode: latex %%% TeX-master: t %%% End: