Texas Instruments TI-84 PLUS - Graphing Calculator Manual Book page 332

The graph shows that for the 240th payment (
principal (
Y=358.03
The sum of the payments (
Note:
8. Press † to move the cursor onto the function for interest defined by
The graph shows that for the 240th payment (
( ).
Y=441.97
9. Press y 5 Œ Í
graph.
At which monthly payment will the principal allocation surpass the interest allocation?
).
Y3T=Y1T+Y2T
to paste
9 9:bal(
), 358.03 of the 800 payment is applied to
X=240
) is always 800.
), 441.97 of the 800 payment is interest
X=240
to the home screen. Check the figures from the
Chapter 17: Activities
and . Enter
X2T Y2T 240
325
.