17-20 Applications
8317APPS.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 1:00 PM Printed: 02/19/01 1:39 PM
Page 20 of 20
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 [QUIT] y [FINANCE] 9 to paste 9:bal( to the
home screen. Check the figures from the graph.
At which monthly payment will the principal allocation
surpass the interest allocation?