FACTDOUBLE function - Zoho Sheet - Help Guide

FACTDOUBLE

Returns the double factorial of a number (i.e. number!!). Double factorial of zero returns 1 by definition.

For even numbers, FACTDOUBLE(number) returns: 2*4*6*8* ... *number
For odd numbers, FACTDOUBLE(number) returns: 1*3*5*7* ... *number

 

Syntax

 

FACTDOUBLE(number)
number: The number whose double factorial value you want to calculate. Eg., 4.6

 

Remarks

  • The decimal points (if any) are truncated before calculating the double factorial of the given number.


Examples  

   

Formula

Result

=FACTDOUBLE(4.6)

8

=FACTDOUBLE(10)

3840

=FACTDOUBLE(0)

1


Get a hands-on experience of the function in the embedded range below.   



Possible Errors

 

Errors

Meaning

#N/A!

  • The function could not find the value it was asked to look for. Commonly occurs in VLOOKUP and similar functions.

#NAME!

  • The function name is incorrect or invalid.

  • The given defined name (if any) is invalid.

  • There is a typo in the defined name used in the function.

  • Double quotes are missing for text values in the function.

  • Colon missing in a cell range reference.

#VALUE!

  • The given argument's data type is incorrect or invalid.
    For example, the function =DATE(A1:A3) will return a #VALUE error when a text value is present in the range.

#REF!

  • The given cell reference is incorrect or invalid. This error may occur when a cell/range has been deleted, moved, or pasted over.

 

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