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WorksheetFunction.FactDouble method (Excel)

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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:   Screenshot of the Fact Double equation when the number is even.

If number is odd:   Screenshot of the Fact Double equation when the number is odd.

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