Differences Between: [Versions 400 and 403]
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Single:: (3 methods):
futureValue()
periods()
interestRate()
futureValue($principal, $schedule) X-Ref |
FVSCHEDULE. Returns the future value of an initial principal after applying a series of compound interest rates. Use FVSCHEDULE to calculate the future value of an investment with a variable or adjustable rate. Excel Function: FVSCHEDULE(principal,schedule) param: mixed $principal the present value param: float[] $schedule an array of interest rates to apply return: float|string |
periods($rate, $presentValue, $futureValue) X-Ref |
PDURATION. Calculates the number of periods required for an investment to reach a specified value. param: mixed $rate Interest rate per period param: mixed $presentValue Present Value param: mixed $futureValue Future Value return: float|string Result, or a string containing an error |
interestRate($periods = 0.0, $presentValue = 0.0, $futureValue = 0.0) X-Ref |
RRI. Calculates the interest rate required for an investment to grow to a specified future value . param: float $periods The number of periods over which the investment is made param: float $presentValue Present Value param: float $futureValue Future Value return: float|string Result, or a string containing an error |