2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/230094This document is a companion for the Maple program \textbf{Summing a polynomial function over integral points of a polygon}. It contains two parts. First, we see what this programs does. In the second part, we briefly recall the mathematical background.Computational GeometryCombinatoricstext