|1.||the positive real number equal to a given real but disregarding its sign. Written | x |. Where r is positive, | r | = r = | --r ||
|2.||Also called: modulus a measure of the magnitude of a complex number, represented by the length of a line in the Argand diagram: |x + iy | = √(x² + y²), so | 4 + 3i | = 5|
The value of a number without regard to its sign. For example, the absolute value of +3 (written |+3|) and the absolute value of -3 (written |-3|) are both 3.