The International System of Units, universally abbreviated SI, is the modern metric system of measurement. Long the dominant system used in science, the SI is r
A guide to assist users of the metric system (Internat. System of Units; SI), to inform them of changes in the SI and in SI usage. Contents: (1) Intro.; (2) NIS
Excerpt from The International System of Units (Si) The International System of Units, universally abbreviated SI (from the French Le Systeme International d' U