Texas Instruments TI-84 User Manual
Page 515
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Chapter 17: Activities
512
The graph shows that for the 240th payment (
X=240
), 358.03 of the 800 payment is
applied to principal (
Y=358.03
).
Note:
The sum of the payments (
Y3T=Y1T+Y2T
) is always 800.
8.
Press
† to move the cursor onto the function for interest defined by
X2T
and
Y2T
.
Enter
240
.
The graph shows that for the 240th payment (
X=240
), 441.97 of the 800 payment is
interest (
Y=441.97
).
9.
Press
y 5 Œ Í
9
to paste
9:bal(
to the home screen. Check the figures
from the graph.
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