## Absolute Value

The absolute value of a Real Number is denoted and given by

where Sgn is the sign function.

The same notation is used to denote the Modulus of a Complex Number , , a p-adic Number absolute value, or a general Valuation. The Norm of a Vector is also denoted , although is more commonly used.

Other Notations similar to the absolute value are the Floor Function , Nint function , and Ceiling Function .

See also Absolute Square, Ceiling Function, Floor Function, Modulus (Complex Number), Nint, Sgn, Triangle Function, Valuation