Sqr Function

Returns a Double specifying the square root of a number.

Syntax

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.