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ISO 31

From Academic Kids

International Standard ISO 31 (Quantities and units, International Organization for Standardization, 1992) is the most widely respected style guide for the use of units of measurement, and formulas involving them, in scientific and educational documents worldwide. In most countries, the notations used in mathematics and science textbooks at schools and universities follow exactly the guidelines given by ISO 31.

The standard comes in 14 parts:

ISO 31-0: General principles
ISO 31-1: Space and time
ISO 31-2: Periodic and related phenomena
ISO 31-3: Mechanics
ISO 31-4: Heat
ISO 31-5: Electricity and magnetism
ISO 31-6: Light and related electromagnetic radiations
ISO 31-7: Acoustics
ISO 31-8: Physical chemistry and molecular physics
ISO 31-9: Atomic and nuclear physics
ISO 31-10: Nuclear reactions and ionizing radiations
ISO 31-11: Mathematical signs and symbols for use in the physical sciences and technology
ISO 31-12: Characteristic numbers
ISO 31-13: Solid state physics

See also

  • SI the international system of units
  • BIPM publishes freely available information on SI units, which overlaps with some of the material covered in ISO 31-0
  • IUPAP much of the material in ISO 31 comes originally from the Commission for Symbols, Units and Nomenclature (SUN Commission) of the International Union of Pure and Applied Physics
  • IUPAC some of the material in ISO 31 originates from the Interdivisional Committee on Nomenclature and Symbols of the International Union of Pure and Applied Chemistry

References

ISO standards are available for purchase online. All parts of ISO 31 along with ISO 1000 are available in book form as

ISO Standards Handbook: Quantities and units. 3rd ed., International Organization for Standardization, Geneva, 1993, 345 p., ISBN 92-67-10185-4, 182.00 CHF. http://www.iso.ch/iso/en/prods-services/otherpubs/Handbooks.PublicationList?CLASSIFICATION=HANDBOOKSsv:ISO 31
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