Difference between revisions of "Number"
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* [[Counting]] | * [[Counting]] | ||
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* Labelling (see [[Nominal number]]) | * Labelling (see [[Nominal number]]) | ||
Revision as of 07:22, 23 August 2015
A number is a mathematical object used in:
- Counting
- Measurement
- Labelling (see Nominal number)
The original examples are the natural numbers 1, 2, 3, and so forth.
A notational symbol that represents a number is called a numeral.
In addition to their use in counting and measuring, numerals are often used for:
- Labels (as with telephone numbers)
- Ordering (as with serial numbers)
- Codes (as with ISBNs).
In common usage, the term number may refer to a symbol, a word, or a mathematical abstraction.
See also
External links
- Number @ Wikipedia
