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IEVref: | 112-01-29 | ID: | |

Language: | en | Status: Standard | |

Term: | numerical value | ||

Synonym1: | numerical quantity value [Preferred] | ||

Synonym2: | numerical value of a quantity [Preferred] | ||

Synonym3: | |||

Symbol: | |||

Definition: | number in the expression of the value of a quantity, other than any number serving as the reference
NOTE 1 – For quantities that have a unit of measurement (i.e. those other than ordinal quantities), the numerical value { NOTE 2 – For quantities of dimension one, the reference is a unit of measurement which is a number and this is not considered as a part of the numerical value. For example, in an amount-of-substance fraction equal to 3 mmol/mol, the numerical value is 3 and the unit is mmol/mol. The unit mmol/mol is numerically equal to 0,001, but this number 0,001 is not part of the numerical value, which remains 3. NOTE 3 – Very often quantities of dimension one are expressed in percent. Example: the volume fraction of alcohol in a very strong beer is 7,2 %. | ||

Publication date: | 2010-01 | ||

Source: | ISO/IEC GUIDE 99:2007 1.20 | ||

Replaces: | |||

Internal notes: | 2019-08-20: Editorial correction - addition of missing }: {<i>Q</i> = <i>Q</i>/[Q] corrected to {<i>Q</i>} = <i>Q</i>/[Q]. JGO | ||

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