MesoCalc is a Mesopotamian calculator. It computes with integers in sexagesimal place-value notation and operates on measures.

MesoCalc was created in March 2013 by Baptiste MÉLÈS (CNRS, Archives Henri Poincaré, Université de Lorraine) with the scientific assistance of Christine PROUST (CNRS, Université Paris-Diderot) in the framework of the SAW Project (Mathematical Sciences in the Ancient World), headed by Karine CHEMLA (CNRS, Université Paris-Diderot).