Framework (A-Z)

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

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