Sharp EL-731, EL-733A, and Radio Shack EC-5001 Information

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 The negative sign indicates that the amount can be withdrawn from the account.