\documentclass{article} \usepackage[cfg=sample04.cfg]{nomencl} \usepackage{siunitx} \makenomenclature \begin{document} \section*{Main equations} \begin{equation} a=\frac{N}{A} \end{equation}% \nomenclature{$a$}{The number of angels per unit area\nomunit{\per\square\meter}}% \nomenclature{$N$}{The number of angels per needle point}% \nomenclature{$A$}{The area of the needle point\nomunit{\square\meter}}% The equation $\sigma = m a$% \nomenclature{$\sigma$}{The total mass of angels per unit area\nomunit{\kilogram\per\square\meter}}% \nomenclature{$m$}{The mass of one angel\nomunit{\kilogram}} follows easily. \printnomenclature \end{document}