Casio FX-9860G SD User Manual

20061001
BAL0 = PV (INT1 = 0 and PRN1 = PMT at beginning of installment term)
u Converting between the nominal interest rate and effective interest rate
The nominal interest rate (I% value input by user) is converted to an effective interest rate
(I%' ) for installment loans where the number of installments per year is different from the
number of compound interest calculation periods.
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.
Press 4(AMT) from the Financial 1 screen to display the following input screen for
amortization.
4(AMT)
PM1 .............................. first installment of installments 1 through n
PM2 .............................. second installment of installments 1 through n
n .................................. installments
I% ................................ interest rate
PV ............................... principal
PMT ............................ payment for each installment
FV ............................... balance following final installment
P/Y .............................. installments per year
a : INT PM1 = I BAL PM1–1 × i I × (PMT sign)
b : PRN PM1 = PMT + BAL PM1–1 × i
c : BAL PM2 = BAL PM2–1 + PRN PM2
d :
Σ
PRN = PRN PM1 + PRN PM1+1 + … + PRN PM2
e :
Σ
INT = INT PM1 + INT PM1+1 + … + INT PM2
PM2
PM1
PM2
PM1
a : INT PM1 = I BAL PM1–1 × i I × (PMT sign)
b : PRN PM1 = PMT + BAL PM1–1 × i
c : BAL PM2 = BAL PM2–1 + PRN PM2
d :
Σ
PRN = PRN PM1 + PRN PM1+1 + … + PRN PM2
e :
Σ
INT = INT PM1 + INT PM1+1 + … + INT PM2
PM2
PM1
PM2
PM1
I%' =
I%
(1+ ) –1
[C / Y ]
[P / Y ]
100 × [C / Y ]
{ }
×100
I%' =
I%
(1+ ) –1
[C / Y ]
[P / Y ]
100 × [C / Y ]
{ }
×100
i = I%'÷100 i = I%'÷100
7-5-2
Amortization
20070101

Casio FX-9860G SD Specifications

General

Model	FX-9860G SD
Category	Graphing Calculator
Display Type	LCD
Display Size	128 x 64 pixels
Dimensions	184 x 91 x 21 mm
Power Source	4 AAA batteries
Connectivity	USB
Programming	Casio BASIC