Texas Instruments BA II PLUS - Manual (Page 39)

Time-Value-of-Money and Amortization Worksheets 35
Answer: Your monthly payment is $26.72.
Example: Saving With Monthly Deposits
Note: Accounts with payments made at the beginning of the period are
referred to as annuity due accounts. Interest begins accumulating earlier
and produces slightly higher yields.
You invest $200 at the beginning of each month in a retirement plan.
What will the account balance be at the end of 20 years, if the fund earns
an annual interest of 7.5 % compounded monthly, assuming beginning-
of-period payments?
Return to standard-calculator
mode & U 0.00
Enter number of payments using
payment multiplier. 2 & Z , N= 24.00 
Enter interest rate. 20 - I/Y= 20.00 
Enter loan amount. 525 . PV= 525.00 
Compute payment. % / PMT= -26.72 
To Press Display
Set all variables to defaults. & } ! RST 0.00
Set payments per year to 12. & [ 12 ! P/Y= 12.00 
Set beginning-of-period
payments. & ] & V BGN
Return to standard-calculator
mode. & U 0.00
To Press Display