This reference is for Processing 2.0+. If you have a previous version, use the reference included with your software. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Javadoc.

Name

sqrt()

Examples
example pic
noStroke();
float a = sqrt(6561);  // Sets 'a' to 81
float b = sqrt(625);   // Sets 'b' to 25
float c = sqrt(1);     // Sets 'c' to 1
rect(0, 25, a, 10);
rect(0, 45, b, 10);
rect(0, 65, c, 10);
Description Calculates the square root of a number. The square root of a number is always positive, even though there may be a valid negative root. The square root s of number a is such that s*s = a. It is the opposite of squaring.
Syntax
sqrt(n)
Parameters
n float: non-negative number
Returnsfloat
Relatedpow()
sq()
Updated on May 19, 2014 05:29:59pm PDT

Creative Commons License