\documentclass{article} \usepackage{prereqsWeb} \begin{document} \begin{center} \includegraphics*{chart.png} \end{center} \begin{center} \begin{minipage}{4.0in} \begin{itemize} \item A solid arrow \solidarrow\ indicates a required prerequisite, a dotted arrow \dottedarrow\ indicates a corequisite (to be taken before or concurrently), and a dashed arrow \dashedarrow\ indicates a recommended prerequisite. Core courses are in \boldbox\ boxes; other courses (i.e.,~options or prerequisites) are in \lightbox\ boxes. \item Timetabling abbreviations: M, T, W, Th, F=Mon, Tue, Wed, Thur, Fri, resp.; eve=7:00--9:50 pm; no=not offered. \end{itemize} \end{minipage} \end{center} \end{document}