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Reference for Wiring version 1.0 Build 0100+ If you have a previous version, use the reference included with your software. If see any errors or have any comments, let us know.

Name |

### sqrt()

Examples |
    float a = sqrt(6561);  // Sets a to 81
    float b = sqrt(625);   // Sets b to 25
    float c = sqrt(1);     // Sets c to 1
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(value)
Parameters |

value | int or float: non-negative number

Returns | float
Usage | Application
Related | pow() sq()

Updated on July 07, 2011 11:09:02pm PDT