\chapter{Executing \caps{\PROGRAM}} \label{chap:exec} \section{Execution Files} \label{exec:files} Algebra is run as: algebra \{input\_file\} \{output\_file\} \section{Special Software} \caps{\PROGRAM} is written in ANSI \caps{FORTRAN}-77 \cite{bib:f77} with the exception of the following system-dependent features: \setlength{\itemsep}{\medskipamount} \begin{itemize} \item the \caps{OPEN} options for the files and \item the use of \caps{ASCII} characters that are not in the \caps{FORTRAN} standard character set. \end{itemize} \caps{\PROGRAM} uses the following software packages: \setlength{\itemsep}{\medskipamount} \begin{itemize} \item the \caps{SUPES} package \cite{bib:supes} which SEACAS/includes dynamic memory allocation, a free-field reader, and \caps{FORTRAN} extensions and \end{itemize}