Texas Instruments TI Programmable 57 User Manual

A PRACTICAL CASE
At this point; all you need to do is store the values you want to try out in
the three memories we've used, and let your calculator do the rest.
Enter the amount you owe and store it in memory one by pressing:
500 1
Enter your monthly interest rate (i= 1.5% =.015) and store it in
memory two.
015 (S19) 2
Enter the first option you'd like to try — equal payments for n=3
months:
3 (30)3
From now on in it's a cinch!
First press 2nd) MI 2 so we'll be reading out dollars and cents
clearly in the calculators display.
Then press &31) RA).
There it is: If you decided to pay back in 3 months, your monthly payment
would be — $171.69.
Press RS) again to see how much you'd be charged for interest — $15.07.
To try the other options:
Enter 6 months, press 6 St) 3
Then press
Your payment: $87.76
Press [RS] again for interest charges: $26.58
Enter 9 months, press 9 [St 3
Then press
Your payment: $59.80
Press RS) again for interest charges: $38.24
Enter 12 months, press 12. 0)3
Then press
Your payment: $45.84
Press R4) again for interest charges: $50.08
1-7

Texas Instruments TI Programmable 57 Specifications

General

Brand	Texas Instruments
Model	TI Programmable 57
Category	Calculator
Language	English