Casio fx-CG50 User Manual page 286

• "End" selected for the Setup screen Payment setting:
• "Begin" selected for the Setup screen Payment setting:
u Converting between the nominal interest rate and effective interest rate
The nominal interest rate (
% ' ) for installment loans where the number of installments per year is different from the
I
(
number of compound interest calculation periods.
{ {
I%' = I%' =
The following calculation is performed after conversion from the nominal interest rate to the
effective interest rate, and the result is used for all subsequent calculations.
i = I%'÷100 i = I%'÷100
Press 4(AMORTZN) from the Financial 1 screen to display the following input screen for
amortization.
4(AMORTZN)
PM1....... first installment of installments 1 through
PM2....... second installment of installments 1 through
n
........... installments
I
% ........ interest rate
PV
........ principal
PMT
..... payment for each installment
FV
........ balance following final installment
P Y
/ ....... installments per year
C Y
/ ....... compoundings per year
I
% value input by user) is converted to an effective interest rate
[C/Y ] [C/Y ]
I% I%
[P/Y ] [P/Y ]
(1+ (1+ ) )
100 × [C/Y ] 100 × [C/Y ]
7-10
BAL PV
=
0
INT
= 0 and
1
} }
× 100 × 100
–1 –1
n
n
PRN PMT
=
1