**Financial Keys**-
n, number of periods

i, rate of interest per period

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 2ndF TAB, followed by the decimal point.
**Financial Mode**- Press 2ndF MODE until FIN appears in the display.
**Clearing Financial Data**- Press 2ndF CA.
**Beginning Annuities**- Press BGN until BGN appears in the display.
**Entering Financial Data**- Display the value, then press the financial key.
**Computing Values**-
Press COMP, 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 = 0.5 PMT = 50 increasing PV = 500 FV = ??? - The keystrokes are:
- 2ndF CA

12 n

0.5 i

50 PMT

500 PV

COMP 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 The negative sign indicates that the amount can be withdrawn from the account.