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 FileMaker Pro Custom Functions

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Arcfactorial ( product ; numberOfFactors )

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  Average rating: 4.8  (5 votes)
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Jeff Drake, Drakeling Technologies

returns the inverse factorial of a given integer

Sample Input:
Arcfactorial ( 120 , 3 )
Sample Output:

 Then copy & paste into FileMaker Advanced's Edit Custom Function window.

Click here to copy To Clip Manager if you have myFMbutler's Clip Manager installed


The Factorial function is great, if you want to know the value of 5!. But what if the value you’re given is 120, and you want to know which factorial would give you that product? Enter Arcfactorial.

This function has been tested to FileMaker’s indexable limits of Factorial ( 212 ), but like FileMaker’s own Factorial function, does not handle half-factorials.

Note: these functions are not guaranteed or supported by Please contact the individual developer with any questions or problems.

This is my Custom Function and I want to edit it


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