% Special-character exercise from ../latex.md.
% Build instructions: latex-for-beginners-common.tex.
\documentclass[a4paper,12pt]{article}
\input{latex-for-beginners-common.tex}
\begin{document}
Item \#A\textbackslash{}642 costs \$8 \& is sold at a \^{} 10\% profit.
\end{document}