Casio manager plus fx-9860g Manuale Utente
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
results along the graph.
The first press of
,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.
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
EFF
=
n
APR/
100
1 +
–1
s
n
EFF
=
n
APR/
100
1 +
–1
s
n
APR
=
100
EFF
1 +
–1
s
1
n
n
APR
=
100
EFF
1 +
–1
s
1
n
n