%% %% An UIT Edition example %% %% Example 04-06-4 on page 82. %% %% Copyright (C) 2012 Vo\ss %% %% It may be distributed and/or modified under the conditions %% of the LaTeX Project Public License, either version 1.3 %% of this license or (at your option) any later version. %% %% See http://www.latex-project.org/lppl.txt for details. %% % Show page(s) 2,8,10,16 %% ==== \PassOptionsToClass{dvips}{beamer} \documentclass{exabeamer} \usepackage[utf8]{inputenc} %\StartShownPreambleCommands \usepackage{pst-node} \psset{angleA=90,angleB=-90} \usepackage{amsmath} \usetheme{Malmoe} \usecolortheme{dove} %\StopShownPreambleCommands \begin{document} \begin{frame}{Right-angled triangle} \onslide<-6,8>{Pythagoras's theorem\ldots } \begin{align*} \onslide<8>{a^2+b^2 &= c^2}\\ \onslide<2->{\rnode{A}{\texttt{side}}^2} \onslide<3->{ + } \onslide<4->{\rnode{B}{\texttt{side}}^2} \onslide<5->{ &= } \onslide<6->{\rnode{C}{\texttt{hypotenuse}}^2} \end{align*} \onslide<7>{in words:}\par \onslide<8>{In a right-angled triangle, the square on the \rnode{h}{hypotenuse} is equal to the sum of the squares on the other two \rnode{k}{sides}! \nccurve{->}{k}{A}\nccurve{->}{k}{B}\nccurve{->}{h}{C}} \end{frame} \begin{frame}{Right-angled triangle} \only<-6,8>{Pythagoras's theorem\ldots } \begin{align*} \only<8>{a^2+b^2 &= c^2}\\ \only<2->{\rnode{A}{\texttt{side}}^2} \only<3->{ + } \only<4->{\rnode{B}{\texttt{side}}^2} \only<5->{ &= } \only<6->{\rnode{C}{\texttt{hypotenuse}}^2} \end{align*} \only<7>{in words:}\par \only<8>{In a right-angled triangle, the square on the \rnode{h}{hypotenuse} is equal to the sum of the squares on the other two \rnode{k}{sides}! \nccurve{->}{k}{A}\nccurve{->}{k}{B}\nccurve{->}{h}{C}} \end{frame} \end{document}