EN ISO 80000-1:2013

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Quantities
5 Dimensions
6 Units
7 Printing rules
Annex A (normative) - Terms in names for physical quantities
Annex B (normative) - Rounding of numbers
Annex C (normative) - Logarithmic quantities and their units
Annex D (informative) - International organizations in the
        field of quantities and units
Bibliography

ISO 80000-1:2009 gives general information and definitions concerning quantities, systems of quantities, units, quantity and unit symbols, and coherent unit systems, especially the International System of Quantities, ISQ, and the International System of Units, SI.The principles laid down in ISO 80000-1:2009 are intended for general use within the various fields of science and technology and as an introduction to other parts of the Quantities and units series.Ordinal quantities and nominal properties are outside the scope of ISO 80000-1:2009.