2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/209507Some pedagogical aspects of the formulation of electrodynamics independently of the system of units are commented. Only electrodynamics in vacuum is considered. It is pointed out the efficiency of using a notation system close to SI.6 pages, comment, latex sourcePhysics EducationClassical Physicstext