title categories subCategories abs() Functions Math abs(x) Description Calculates the absolute value of a number. Syntax abs(x) Parameters x: the number Returns x: if x is greater than or equal to 0. -x: if x is less than 0. In the figure above y represents abs(x) Notes and Warnings Because of the way the abs() function is implemented, avoid using other functions inside the brackets, it may lead to incorrect results. abs(a++); // avoid this - yields incorrect results // use this instead: abs(a); a++; // keep other math outside the function See also
