NPV

Purpose

Returns the net present value (NPV) of a series of unequal payments made at regular intervals, assuming a fixed interest rate per interval.

Format

NPV(payment;interestRate)

Parameters

payment - a repeating field containing unequal payment amounts, or an expression that returns a reference to one.

interestRate - interest rate.

Data type returned

number

Originated in

FileMaker Pro 6.0 or earlier

Description

Use this function to calculate NPV. For example, if someone borrows money from you and pays you back in unequal amounts over a period of several years, you can use the NPV function to calculate the result.

Examples

NPV(Loan;.05) returns 156.91277445..., when the repeating field, Loan, contains -2000 (the initial payment), 600, 300, 500, 700, and 400. The result (156.91277445...) is the actual profit in today’s dollars that will be realized from this transaction.

NPV(Amounts;.10) returns 16758.35604870..., when the repeating field, Amounts, contains -5000 (the initial investment), 10,000, 0, 10,000, and 10,000.

If you want each return value to return 2 decimal places, surround the current formulas with the correct Round function: Round(Current Formula;2).

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