Difference between revisions of "Number"
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* [[Abstraction (mathematics)]] | * [[Abstraction (mathematics)]] | ||
* [[Binary number]] | * [[Binary number]] | ||
| + | * [[Calculation]] | ||
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* [[Counting]] | * [[Counting]] | ||
* [[Expression (mathematics)]] | * [[Expression (mathematics)]] | ||
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* [[Natural number]] | * [[Natural number]] | ||
* [[Numeral system]] | * [[Numeral system]] | ||
| + | * [[Operation (mathematics)]] | ||
* [[Positional notation]] | * [[Positional notation]] | ||
* [[Ratio]] | * [[Ratio]] | ||
Revision as of 06:00, 21 February 2016
A number is a mathematical object used in counting, measurement, and labelling.
Contents
Natural numbers
The original examples are the natural numbers 1, 2, 3, and so forth.
Numeral systems
A notational symbol that represents a number is called a numeral.
Other uses
In addition to their use in counting and measuring, numerals are often used for:
In common usage, the term number may refer to:
- A symbol
- A word, for example "two" -- see Numeral (linguistics)
- A mathematical abstraction
See also
General topics
- Abstraction (mathematics)
- Binary number
- Calculation
- Computing
- Counting
- Expression (mathematics)
- Glyph
- Hexadecimal
- Integer
- Logarithm
- Mathematics
- Mathematical object
- Measurement
- Natural logarithm
- Natural number
- Numeral system
- Operation (mathematics)
- Positional notation
- Ratio
- Symbol
- Value (mathematics)
Numbers
External links
- Number @ Wikipedia
