TI-83 Plus Applications 457
4. Press } } } } } to place the cursor on the PV
prompt. Press ƒ \ to solve for the
present value.
5. Press o to display the parametric Y= editor.
Turn off all stat plots. Press „ to define X1T
as T. Press † Œ Í 9 „¤ to define
Y1T as bal(T).
6. Press p to display the window variables.
Enter the values below.
Tmin=0 Xmin=0 Ymin=0
Tmax=360 Xmax=360 Ymax=125000
Tstep=12 Xscl=50 Yscl=10000
7. Press r to draw the graph and activate the
trace cursor. Press ~ and | to explore the
graph of the outstanding balance over time.
Press a number and then press Í to view
the balance at a specific time T.
8. Press y - and enter the values below.
TblStart=0
@Tbl=12