\documentclass{article} \begin{document} This is the first paragraph. \section{First Section} Preamble of Sect.~1. \subsection{A Subsection} Here some text, an inline formula $(a+b)^2=a^2+2ab+b^2$, as well as a displayed equation % \begin{equation} e^{\pm ix}=\cos x \pm i \sin x\;, \end{equation} % and some more text. Now some verbatim text \verb|a b c|. That's all, folks. \end{document}