Number of Periods

Number of Periods Annuity Formula FV

This number of periods annuity formula FV calculates the number (n) of annuity payments required to provide a given future value (FV). The annuity formula assumes payments (Pmt) are made at the end of each period, and a discount rate i is applied.

Last modified March 17th, 2023 by Michael Brown
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number of periods annuity formula PV

Number of Periods Annuity Formula PV

This number of periods annuity formula PV calculates the number (n) of annuity payments required to provide a given value today PV (present value). The annuity formula assumes payments (Pmt) are made at the end of each period, and a discount rate i is applied.

Last modified February 16th, 2023 by Michael Brown
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excel nper function v 1.0

Excel NPER Function

The Excel NPER function is one of many Excel financial functions, and can be used to calculate the number of periods for a lump sum, annuity or annuity due to grow to a future value. In addition the function can also be used to calculate the number of periods it takes for a loan to be repaid.

Last modified July 16th, 2019 by Michael Brown
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the rule of 72

The Rule of 72

If money is invested in an account paying compound interest, the finance rule of 72 is a quick way to estimate the time it will take for the investment to double in value.

Last modified August 3rd, 2020 by Michael Brown
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