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The cash flow functions in the math unit resolve the following equation:
FV + PV * q^n + PMT (q^n - 1) / (q - 1) = 0
In this formula, the following variables are present:
The financial functions FutureValue, NumberOfPeriods, Payment, PresentValue and InterestRate solve this equation for one of the variables, when the other variables are known.
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Calculate the future value of an investment.  | 
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Calculate the number of periods for an investment  | 
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Calculate the payment for an investment  | 
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Calculate the present value given the future value of an investment.  | 
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Type used in financial (interest) calculations.  |