Sqrt
Syntax
double sqrt(double x);
Function
Calculates the square root.
Parameters
Value whose square root is to be calculated.
Return Values
Square root of x.
double x;x = sqrt(4.0); // Result 2.0
[cos](/en/syntax/general/math/cos) | [exp](/en/syntax/general/math/exp) | [sin](/en/syntax/general/math/sin)