Texas Instruments TI-83 Manual Book page 598

The graph shows that for the 240th payment (
800 payment is interest (
9. Press y 5 Œ Í
Check the figures from the graph.
At which monthly payment will the principal allocation surpass the
interest allocation?
TI-83 Plus Activities
).
Y=441.97
to paste
9 9:bal(
), 441.97 of the
X=240
to the home screen.
595