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WorksheetFunction.FactDouble Method

Office 2007
Returns the double factorial of a number.

Syntax

expression.FactDouble(Arg1)

expression   A variable that represents a WorksheetFunction object.

Parameters

NameRequired/OptionalData TypeDescription
Arg1RequiredVariantNumber - 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:

    Equation

  • If number is odd:

    Equation




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