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Description / Abstract:
This standard covers letter symbols 1 for units of measurement.
It does not include abbreviations for technical terms, nor does it
cover symbols for physical quantities. 2
The symbols given in this standard are intended for all
applications, including use in text and equations; in graphs and
diagrams; and on panels, labels, and nameplates. Provision is made
for modifications to be used when only character sets of limited
capability are available.
2 As used in this standard, the term physical
quantity means a measurable attribute of phenomena or matter.
Examples are length, mass, and time.