Sgn Function

Returns a Variant (Integer) indicating the sign of a number.


Sgn ( number )

The required numberargument can be any valid numeric expression.

Return Values

If number is

Sgn returns

Greater than zero


Equal to zero


Less than zero



The sign of the number argument determines the return value of the Sgn function.

Query example



SELECT Unitprice,sgn(unitprice) AS PriceSign,Discount,sgn(Discount) as DiscountSign FROM productSales;

Returns the "unitprice" and "Discount" with their respective signs (1 for positive, -1 for negative and 0 for zero value) in the columns PriceSign and DiscountSign respectively.

VBA example

Note: Examples that follow demonstrate the use of this function in a Visual Basic for Applications (VBA) module. For more information about working with VBA, select Developer Reference in the drop-down list next to Search and enter one or more terms in the search box.

This example uses the Sgn function to determine the sign of a number.

Dim MyVar1, MyVar2, MyVar3, MySign
MyVar1 = 12: MyVar2 = -2.4: MyVar3 = 0
MySign = Sgn(MyVar1) ' Returns 1.
MySign = Sgn(MyVar2) ' Returns -1.
MySign = Sgn(MyVar3) ' Returns 0.
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