2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47468We explain how scale dependent renormalized quantities can be computed using lattice QCD. Two examples are used: the running coupling and quark masses. A reliable computation of the $Λ$-parameter in the quenched approximation is presented.6 pages, talk at HEP97, JerusalemHigh Energy Physics - PhenomenologyHigh Energy Physics - LatticeThe $Λ$-parameter and $m_s$ of quenched QCDtext