Annuity present value – solve for n

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Updated: Aug 20, 2021

Annuity present value - solve for n

The solve for n, or number of periods, formula shown above is used to determine the number of periods on an annuity using the present value, periodic payment, and periodic rate. An example of what the solve for n formula tries to answer is “How long will it take me to pay off a balance of £a at a rate of b% by making periodic payments of £c.”

can also be written as

Annuity present value - solve for n


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James Knight
Editor of Education
James is a lead content editor for Invezz. He's an avid trader and golfer, who spends an inordinate amount of time watching Leicester City and the… read more.