Finance Formulas on the TI84
The TI84 has a general “timevalueofmoney” (TVM) equation built in
which will carry out, with just a few key strokes, the otherwise tedious
computations involved in compound interest, loans and annuities.
To get to the TVM Solver:
(a) Press the
APPS
key
(b) Select “1. Finance”
(c) Select “1. TVM Solver”
We illustrate the use of the TVM Solver and identify the variables used
in the calculator by working through a simple example:
Suppose that
you invest
$
4,000 today for 5 years at an annual percentage rate of
6.5%, compounded monthly. How much money will be in your account
at the end of the 5 years?
•
N
, the number of time periods [
n
in the text].
Since we are
compounding monthly, the number of time periods is
12
×
5 =
60
. Enter 60 or
12
×
5
.
•
I%
, the annual percentage rate [
r
in the text].
Enter 6.5.
•
PV
, the present value [
P
in the text].
Enter 4000
•
PMT
, the size of the regular monthly payments into the ac
count or the rent [
R
in the text].
Since we are making no such
payments, enter 0.
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 Fall '09
 NA
 Formulas, Annual Percentage Rate, 6%, 6.5%, $100000, 1.513%

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