Returns the square root of a number.
Sqr(number)
The number argument can be any valid numeric expression greater than or equal to 0.
The following example uses the Sqr function to calculate the square root of a number:
Dim MySqr MySqr =Sqr(4)' Returns 2. MySqr =Sqr(23)' Returns 4.79583152331272. MySqr =Sqr(0)' Returns 0. MySqr =Sqr(-4)' Generates a run-time error.