Texas Instruments TI-84 PLUS SILV Guidebook - Page 267
Applications, balance
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3. Press 360 to enter number of payments. Press † 8 to enter the interest rate. Press † † Ì 800 to enter the payment amount. Press † 0 to enter the future value of the mortgage. Press † 12 to enter the payments per year, which also sets the compounding periods per year to 12. Press † † Í to select PMT:END. 4. Move the cursor to the PV prompt and then 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 Tmax=360 Xmax=360 Tstep=12 Xscl=50 Ymin=0 Ymax=125000 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 9. Press y 0 to display the table of outstanding balances (Y1T). 10. Press z and select G-T split-screen mode, so that the graph and table are displayed simultaneously. Press r to display X1T (time) and Y1T (balance) in the table. Chapter 14: Applications 260