2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/215155The CODATA recommended values of the fundamental constants are widely applied in particle, nuclear and atomic physics. They are a result of a complicated evaluation (adjustment) of numerous correlated data of different nature. Their application is often rather mechanical and as a result is not free of various confusions which are discussed in this note.presented at PSAS'2006; to be pubslished in Lect. Not. PhysAtomic Physicstext