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 FileMaker Pro Custom Functions

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unique_combinations_counter (number_values)

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Eric Plassot, INRAP
http://www.inrap.fr/archeologie-preventive/p-7-Accueil.htm

This function calculates the number of unique combinations of n values (WARNING 212 Values Max)

Sample Input:
unique_combinations_counter(4)
unique_combinations_counter(50)
Sample Output:
15
1125899906842623


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

Description:

This function calculates the number of unique combinations of n values (WARNING 212 Values Max)
ex :
list = "a¶b¶c¶d" ----> 4 values
combinations = "a¶b¶c¶d¶ab¶ac¶ad¶bc¶bd¶cd¶abc¶abd¶acd¶bcd¶abcd"
---> 15 unique values (without aa, abc=bca=cab=acb...)

Note: these functions are not guaranteed or supported by BrianDunning.com. 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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