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TI-83 Plus Activities 593
since the future value of a loan is 0 once it is paid in full. Enter
PMT: END
,
since payment is due at the end of a period.
3. Move the cursor onto the
PV=
prompt, and then press
ƒ
\
.
The present value, or mortgage amount, of the house is displayed at
the
PV=
prompt.
Now compare the graph of the amount of interest with the graph of the
amount of principal for each payment.
4. Press
z
. Set
Par
and
Simul
.
5. Press
o
. Turn off all functions and stat plots. Enter these equations
and set the graph styles as shown.
Note:
G
Prn(
and
G
Int(
are located on the
FINANCE menu
(
APPS 1:FINANCE
).
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