Casio FX-CG20 AU User Manual

7-12
6. Interest Rate Conversion
The procedures in this section describe how to convert between the annual percent rate and
effective interest rate.
u Formula
APR : annual percent rate (%)
EFF : effective interest rate (%)
n : number of compoundings
Press 5(CONVERT) from the Financial 1 screen to display the following input screen for
interest rate conversion.
5(CONVERT)
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 percent rate to effective interest rate}
• { 'APR } … {converts effective interest rate to annual percent rate}
• An error occurs if parameters are not configured correctly.
Use the following function menu to maneuver between calculation result screens.
• { REPEAT } … {parameter input screen}
EFF =
n
APR/100
1+
–1 × 100
n
EFF =
n
APR/100
1+
–1 × 100
n
A
PR =
100
EFF
1+
–1 × n ×100
1
n
A
PR =
100
EFF
1+
–1 × n ×100
1
n

Casio FX-CG20 AU Specifications

General

Model	FX-CG20 AU
Category	Calculator
Display Type	Color LCD
Resolution	384 x 216 pixels
Connectivity	USB
Graphing	Yes
Programming	Yes
3D Graphing	No
Spreadsheet	Yes
Equation Solver	Yes
Statistical Functions	Yes
Financial Functions	Yes
Compatibility	Windows, Mac
Dimensions	188.5 x 89 x 18.6 mm
Weight	230g
Power Supply	4 AAA batteries
Battery	AAA
Display Size	3.7 inches
Internal Memory	16MB