Index
 
  Reference for Wiring 1.0 (ALPHA) 0019+. If you have a previous version, use the reference included with your software. If you 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   Web & Application
   
Related   pow()
sq()