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 FileMaker Pro Custom Functions

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APV ( payment ; rate ; type ; nper ; futureval )

Rate this function:  

  Average rating: 4.4  (35 votes)
  Discuss this Custom Function

Lee Dolereit, Sharp ABT

Advanced Present Value

Sample Input:
APV (709.04 ; 0.005933 ;1 ;49 ; 0 )
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


Filemaker's PV function does not have the facility to calculate Future Value on payments made in advance. This function provides the same calcuation used in the Exel / Open Office calc PV function.

payment = repayment amount made on each term

rate = Interest rate ( use 0.10 if 10% , and divide this by 12 if the interest is calculated monthly)

type = 1 for payment made in advance , 0 for arrears

nper = terms remaining / number of payments to be made

futureval = the future value of the loan at the end of the terms.

This is a transposed formula from the master formula found on Filemaker's knowledgebase website for solving financial equations beyond the scope of Filemaker's standard financial functions.

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


5 most recent comments | Show all 6 comments

Thanks Rob , just cleared that up.

Lee, Australia
July 26, 2011 3:39pm

I am going to disagree here: rounding is a prerogative of the user. If you want a rounded result, use the Round() function. None of the native financial functions has built-in rounding - neither in Filemaker nor in Excel. That's just good practice.

Speaking of good practice, defining variables only to rename the parameters is not.

comment, VR
July 26, 2011 7:27pm

The reason why I have renamed the variables is so that the formula becomes more "readable" , for those who wish to transpose it for another purpose.

Lee, Australia
July 26, 2011 11:17pm

Which one do you find more readable?

(((a*(b*y+1) * ((y+1)^z-1)) / y) + c)/(y+1) ^ z

(((payment*(type*rate+1) * ((rate+1)^periods-1)) / rate)+FV) / (rate+1)^periods

comment, VR
July 27, 2011 6:20am

For transposition purposes , the first one.

Lee, Australia
July 27, 2011 3:36pm

Make a comment about this Custom Function (please try to keep it brief & to the point). Anyone can post:

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