\documentclass{article}
\usepackage{redindex}
\usepackage[T1]{fontenc}
\makeindex
\begin{document}
%\setcounter{page}{63}
%\tracingall
\input{intro}
\input{concept}
\input{variable}
\input{syntax}
\input{arith}
\input{boolean}
\input{command}
\input{algebra}
\input{declare}
\input{io}
\input{elemfn}
\input{switch}
\input{matrix}
\input{pk-groeb}
\input{hephys}
\input{pk-numer}
\input{pk-roots}
\input{pk-specf}
\input{taylor}
\input{pk-gplot}
\input{linalg}
\input{normform}
\input{pk-misc}
%\input{symbolic}
\input{outmode}
\end{document}