Real or complex numbers have absolute values {magnitude, number}.
Removing negative sign can find real-number magnitude {absolute value, number}. Absolute-value symbol is vertical lines around value. For example, absolute value of -17 equals 17: |-17| = 17. For complex numbers, absolute value is |a + b*i| = ((a + b*i) * (a - b*i))^0.5 = (a^2 + b^2)^0.5.
Number values {numerical value} can be absolute values.
Outline of Knowledge Database Home Page
Description of Outline of Knowledge Database
Date Modified: 2022.0225