WorksheetFunction.FactDouble method (Excel)

Returns the double factorial of a number.

Syntax

expression.FactDouble (Arg1)

expression A variable that represents a WorksheetFunction object.

Parameters

Name	Required/Optional	Data type	Description
Arg1	Required	Variant	Number - the value for which to return the double factorial. If number is not an integer, it is truncated.

Return value

Double

Remarks

If number is nonnumeric, FactDouble returns the #VALUE! error value.

If number is negative, FactDouble returns the #NUM! error value.

If number is even:  

If number is odd:  

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