2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/173481I give a formula for the zeta function of a projective toric hypersurface over a finite field and estimate its Newton polygon. As an application this formula allows us to compute the exact number of rational points on the families of Calabi-Yau manifolds in Mirror Symmetry.26 pages, 0 figureNumber Theory11M38text