Casio fx-9860G AU PLUS Calculator User Manual


 
7-9
• {3INT} … {total interest paid from installment PM1 to installment PM2}
• {3PRN} … {total principal paid from installment PM1 to installment PM2}
• {CMPD} … {compound interest screen}
• 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}
• {CMPD} … {compound interest screen}
• {GRPH} … {draws graph}
After drawing a graph, you can press (TRCE) to turn on trace and read calculation
results along the graph.
The first press of (TRCE) displays
,17 and PRN when n = 1. Each press of C shows
,17 and PRN when n =2,n = 3, and so on.
Press ) to return to the parameter input screen.
6. Interest Rate Conversion
The procedures in this section describe how to convert between the annual percentage rate
and effective interest rate.
S Formula
APR
: annual percentage rate (%)
EFF : effective interest rate (%)
n : number of compoundings
Press (CNVT) from the Financial 1 screen to display the following input screen for interest
rate conversion.
(CNVT)
n ........... number of compoundings
I% ......... interest rate
E
FF =
n
APR/100
1+
–1 s100
n
E
FF =
n
APR/100
1+
–1 s100
n
A
PR =
100
EFF
1+
–1 sn s100
1
n
A
PR =
100
EFF
1+
–1 sn s100
1
n