Description
The sqrt function returns the square root of the value of the parameter passed to it. The type of the value returned by this function is always real.
Parameter
The sqrt function's only parameter is a numeric expression (i.e. an expression of integral type or of real type).
Example
sqrt(1) returns 1.0
sqrt(9) returns 3.0
sqrt(25) returns 5.0Portability
Operating Systems: All
Standard Pascal: Yes