Texas Instruments TI-82 STATS User Manual

17–20 Applications
82501F~1.DOC TI-83 international English Bob Fedorisko Revised: 10/26/05 1:49 PM Printed: 10/27/05 3:04
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?
Computing and Graphing Mortgage Payments (cont.)
Procedure
(continued)

Texas Instruments TI-82 STATS Specifications

General

Type	Graphing Calculator
Display	LCD
Resolution	96 x 64 pixels
Characters	16 x 8
Processor	Zilog Z80
Programming	TI-BASIC
Memory	28 KB RAM
Power	4 AAA batteries
Connectivity	Link port