## TI BA II Plus Information

The older TI BA II is not identical.

Financial Keys
N, number of periods
I/Y, rate of interest per year
P/Y, number of periods per year
PMT, payment per period
PV, present value
FV, future value
Conventions
Payments which increase the balance are positive numbers.
Payments which decrease the balance are negative numbers.
Future values are withdrawals, usually entered as negative numbers.

Floating Decimal
Press 2nd Format 9 ENTER 2nd QUIT.
Clearing Financial Data
Press 2nd CLRTVM.
Beginning Annuities
Press 2nd BGN, then 2nd SET until BGN appears in the display, then 2nd QUIT.

Entering Financial Data
Display the value, then press the financial key.
To enter P/Y, press 2nd P/Y, then the value for P/Y, then ENTER 2nd QUIT.
Computing Values
Press CPT, followed by the financial key to be computed.

Example:
Tom's account begins with \$500, and earns 6% per year, compounded monthly. He deposits an additional \$50 at the end of each month. What will the balance be at the end of one year?

The variables are:
 N = 12 I = 6/12 PMT = 50 increasing PV = 500 FV = ???

The keystrokes are:
2nd CLRTVM
12 N
6 I/Y
2nd P/Y 12 ENTER 2nd QUIT
50 PMT
500 PV
CPT FV

The answer is \$1,147.62, rounded to the nearest cent. The negative sign indicates that the amount can be withdrawn from the account.