Returns a Double specifying the square root of a number.
Sqr([num]) |
The required num argument is a Double or any valid numeric expression
greater than or equal to zero. If this argument is omitted, is a non-initialized
variable, or Null, the function returns Null.
Example
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. |