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The screenshot above come from my french serie of exercises, by clicking on it you will be directed to the overleaf document with all the details. In this article, I present you a French template that may help you with typing maths in french. the code source I work with is this : %%%%%%%%%%%%%%%------Document class -------%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \documentclass [twocolumn,french]{article} %%%%%%%%%%%%%%%%%%------ packages --------%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \usepackage [top=2. 5cm , bottom=2. 5cm , left=0. 5cm , right=0. 5cm ]{geometry} \usepackage [T1]{fontenc} \usepackage [utf8]{inputenc} \usepackage {lmodern} \usepackage { ntheorem } \usepackage {babel} \usepackage {multicol} \usepackage { multirow } \usepackage {fancyhdr} \usepackage {amsfonts} \usepackage {amsmath} \usepackage {amssymb} \usepackage { latexsym } \usepackage {array} \usepackage {graphicx} %%%%%%%%%%%%%%-----NEW COMMAND-------%%%%%%%%%%%%%%%%%%%%%%%%%%%%