ISO 31-1

ISO 31-1 is an international standard that pertains to the nomenclature and symbols used in the field of physics. Specifically, ISO 31-1 provides guidelines for the representation of physical quantities and the symbols that are used to express them. This standard is part of a larger series, ISO 31, which covers various aspects of physical measurements and related concepts. ISO 31-1 is focused on the general principles and definitions applicable to physical quantities and their units.