User manual - Chapter 2 Financial Calculation (TVM)
20010101
2-6 Interest Rate Conversion
The procedures in this section describe how to convert between the annual percentage rate
and effective interest rate.
uu
uu
uFormula
EFF =
n
APR/100
1+
–1 × 100
n
APR =
100
EFF
1+
–1 × n ×100
1
n
Press 5(CNVT) in 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, press one of the function keys noted below to perform the
corresponding calculation.
• 1('EFF) ... Converts annual percent rate to effective interest rate
• 2('APR) ... Converts effective interest rate to annual percent rate
• An error (Ma ERROR) occurs if parameters are not configured correctly.
Use the following function key to maneuver between calculation result screens.
• 1(REPT) ... Parameter input screen
APR : annual percentage rate (%)
EFF :effective interest rate (%)
n : number of compoundings
2-6-1
Interest Rate Conversion
20011101