Texas Instruments TI-82 STATS Manual Book page 340

Computing and Graphing Mortgage Payments
Procedure
(continued)
17–20 Applications
8. Press † to move the cursor onto the function for interest
defined by and
X
2T
The graph shows that for the 240th payment (
of the 800 payment is interest (
9. Press y [
QUIT
screen. Check the figures from the graph.
At which monthly payment will the principal allocation surpass
the interest allocation?
. Enter .
Y 240
2T
Y=441.97
] y [
] to paste
9
FINANCE
(cont.)
), 441.97
X=240
).
to the home
9:bal(