Casio fx-9860G SD - Manual (Page 384)

20050401
7-6 Interest Rate Conversion
The procedures in this section describe how to convert between the annual percentage rate
and effective interest rate.
u u u u u Formula
EFF =
n
APR/ 100
1 + –1
× 100
n
APR =
100
EFF
1 + –1
× n ×100
1
n
Press 5(CNVT) from the Financial 1 screen to display the following input screen for
interest rate conversion.
5(CNVT)
n ....................................... number of compoundings
I % ............................... interest rate
After configuring the parameters, use one of the function menus noted below to perform the
corresponding calculation.
• {'EFF} … {converts annual percentage rate to effective interest rate}
• {'APR} … {converts effective interest rate to annual percent rate}
• An error (Ma ERROR) occurs if parameters are not configured correctly.
Use the following function menu to maneuver between calculation result screens.
• {REPT} … {parameter input screen}
APR : annual percentage rate (%)
EFF : effective interest rate (%)
n : number of compoundings
7-6-1
Interest Rate Conversion