Casio FX-9750G, FX-9860GII 5. Amortization, ,17, PRN, BAL, PRN

• An error (Ma ERROR) occurs if parameters are not configured correctly.

Use the following function menus to maneuver between calculation result screens.

•{REPT} … {parameter input screen}

•{GRPH} … {draws graph}

After drawing a graph, you can press (TRCE) to turn on trace and read calculation results along the graph.

Press )to return to the parameter input screen.

5. Amortization

This calculator can be used to calculate the principal and interest portion of a monthly installment, the remaining principal, and amount of principal and interest repaid up to any point.

SFormula

a

1 payment

c

b

1............ PM1................... PM2.......... Last Number of Payments

a: interest portion of installment PM1 (,17)

b: principal portion of installment PM1 (PRN)

c: balance of principal after installment PM2 (BAL)

e

1 payment

d

1............. PM1................ PM2............. Last

Number of Payments

d: total principal from installment PM1 to payment of installment PM2 (3PRN)

e: total interest from installment PM1 to payment of installment PM2 (3,17) *a + b = one repayment (307)

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