Absolute number
# Absolute number

Absolute number may refer to:

## Mathematics

* Absolute value, the non-negative value of a real number without regard to its sign
* Absolute error, the absolute value of an approximation error in some data
* Absolute difference, the absolute value of the difference of two real numbers
* Absolute pseudoprime, a class of pseudoprimes that come from Fermat's little theorem
* Absolute scale, system of measurement that begins at a zero point and progresses in only one direction
