14–10 Financial Functions
82D362~1.DOC TI-83 international English Bob Fedorisko Revised: 10/26/05 1:42 PM Printed: 10/27/05 2:59
PM Page 10 of 14
You want to buy a home with a 30-year mortgage at 8 percent
APR. Monthly payments are 800. Calculate the outstanding loan
balance after each payment and display the results in a graph
and in the table.
1. Press z. Press † ~ ~ ~ Í to set the fixed-decimal
mode setting to
2. Press † † ~ Í to select Par graphing
mode.
2. Press y [FINANCE] Í to display the TVM Solver.
3. Press 360 to enter number of payments. Press † 8 to enter
the interest rate. Press † † Ì
800 to enter the payment
amount. Press †
0 to enter the future value of the mortgage.
Press †
12 to enter the payments per year, which also sets
the compounding periods per year to
12. Press † † Í
to select
PMT:END.
4. Press } } } } } to place the cursor on the PV prompt. Press
ƒ [
SOLVE] to solve for the present value.
5. Press o to display the parametric Y= editor. Turn off all stat
plots. Press „ to define
X1T as T. Press † y
[
FINANCE] 9 „¤ to define Y1T as bal(T).
Calculating Amortization (continued)
Amortization
Example:
Calculating an
Outstanding
Loan Balance
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