WorksheetFunction.FactDouble method (Excel)
Returns the double factorial of a number.
expression.FactDouble (Arg1)
expression A variable that represents a WorksheetFunction object.
| 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. |
Double
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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