Definition:Absolute Number

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An absolute number is a number in an expression which has a single value.

It is either expressed using actual figures, in an agreed number system, or by a symbol which is understood to represent that specific number.


Examples of Absolute numbers include:

$2$, $\sqrt 5$, $1.976$, $\dfrac 2 3$, $\pi$ (pi), $e$ (Euler's number)

Also see

  • Results about absolute numbers can be found here.