Sgn (math) Purpose Returns an integer value indicating the sign of a number. If the number is Sgn returns less than 0 -1 greater than 0 1 0 0 Syntax Sgn (NumericExpression) NumericExpression Any valid numeric expression. Example Sub Main()         Dim dbl As Double         Dim mysign As Integer         dbl = 3.1415         mysign = Sgn (dbl)         If mysign < 0 Then                 Print "The value of 'dbl' is negative"         Else                 If mysign > 0                         Print "The value of 'dbl' is positive"                 Else                         Print "The value of 'dbl' is zero"                 End If         End If End Sub