Gives general information about principles concerning physical quantities, equations, quantity and unit symbols, and coherent unit systems, especially the International System of Units, SI, including recommendations for printing symbols and numbers. Annex A includes a guide to terms used in names for physical quantities, Annex B a guide to the rounding of numbers, Annex C international organizations in the field of quantities and units.
Revises
ISO 31-0:1981
WITHDRAWN
ISO 31-0:1992
95.99
Withdrawal of Standard
Nov 17, 2009
WITHDRAWN
ISO 80000-1:2009
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