Annuity Number of Periods Calculator

Present Value

Starting investment amount. On the TI BA II Plus this input would normally be negative.

$10,000

Payment (PMT)

Equal periodic payment made consistently over the total number of compounding periods.

$500

Payment Timing

Choose whether the payment happens at the end or beginning of each compounding period.

Ordinary annuity (end mode) Payment is applied at the end of each period.

Annuity due (begin mode) Payment is applied at the beginning of each period.

Future Value

Target ending value students provide so the number of years can be solved.

$67,275

Annual Interest Rate

Compounding rate of growth used to solve the number of years.

10.0%

Number of Years

20.00 yrs

Scenario

$10,000 with $500 payments, ordinary annuity (end mode), target future value $67,275.00, solved years 20.00 at 10.00% rate

Blue line = future value path for the selected mode Colored dots = payment markers for the selected mode

Dollars

Years

Future value path Payment $500, Ordinary annuity (end mode)

Rate Comparison

Compare the number of years required for ordinary annuity versus annuity due using the same inputs.

Compounding Schedule

Table order reflects payment timing.

The schedule shows each compounding period with the payment timing built into the row so the difference between ordinary annuity and annuity due is easy to follow.

Interactive Concept: Annuity Number of Years

Rate Comparison

Compounding Schedule