2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/3434We present a new statistical algorithm of Chemical Evolution implemented into the Tree-SPH code developed by Lia & Carraro (2000 MNRAS 314, 145).2 pages, 2 eps figures, to appear in the proceedings of the IAU Symp. 208, "AStrophysical Supercomputing Using Particles", eds. J. Makino & P. HutAstrophysicstext