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20050401
7-6 Interest Rate Conversion
The procedures in this section describe how to convert between the annual percentage rate
and effective interest rate.
uu
uu
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