2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/183785Using Finite-Size Scaling techniques we obtain accurate results for critical quantities of the Ising model and the site percolation, in three dimensions. We pay special attention in parameterizing the corrections-to-scaling, what is necessary to put the systematic errors below the statistical ones.12 pages plus 2 figures. Minor corrections addedDisordered Systems and Neural NetworksStatistical MechanicsHigh Energy Physics - Latticetext