\documentclass{report} \usepackage{amssymb} \usepackage[dvips]{graphicx} \usepackage{verbatim} \begin{document} \title{Calibration wizards manual} \author{Anna Bergamaschi} \date{\today} \maketitle \chapter{Installation} \input{installation.tex} \chapter{Energy calibration} %\section{Introduction} \input{enCal.tex} \chapter{Angular calibration} %\section{Introduction} \input{ancCal.tex} \end{document}