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?