User Manual

7-7

• 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 !1(TRCE) to turn on trace and read calculation

results along the graph.

Press J 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.

u Formula

a : interest portion of installment PM1 ( INT )

b : principal portion of installment PM1 ( PRN )

c : balance of principal after installment PM2 ( BAL )

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

e : total interest from installment PM1 to payment of installment PM2 ( Σ INT )

a + b = one repayment ( PMT )

1 payment

Number of Payments

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

1 payment

Number of Payments

1 PM1

PM2

Last............. ................

.............