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:
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If number is odd:
.gif "Ff822878.awffdbl2_ZA06051140(en-us,office.14).gif")