Casio FX-9860GII User Manual
7-3
After configuring the parameters, use one of the function menus noted below to perform the
corresponding calculation.
corresponding calculation.
• {SI} … {simple interest}
• {SFV} … {simple future value}
• 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}
• {GRPH} … {draws graph}
After drawing a graph, you can press
results along the graph.
Each press of
C while trace is turned on cycles the displayed value in the sequence: present
value (
PV
)
m simple interest (
SI
)
m simple future value (
SFV
). Pressing
B cycles in the
reverse direction.
Press
) to return to the parameter input screen.
3. Compound Interest
This calculator uses the following standard formulas to calculate compound interest.
S PV, PMT, FV,
n
I
%
x 0
PMT
=
PV
+
FV
–
FV
=
PV
+
PMT
–
n
=
log
(1+ iS)
× PMT – FV × i
(1+ iS)
× PMT + PV × i
{
}
log (1+ i)
I
%
0
39 ï307ðQ)9
PMT
= –
n
PV
+ FV
)9 ï307
s
Q39
n
=
PMT
PV
+ FV
–
= (1+ i
× S) ×
,
=
(1 + i)
i
1 –
–n
β β
α
0 .........Payment : End
(Setup Screen)
1 .........Payment : Begin
(Setup Screen)
i
=
100
I
%
I
%
(1+
)
–1
C/Y
P/Y
P/Y
100
× [C/Y ]
............................... (P/Y = C/Y = 1)
(Other than
those above)
those above)
{
S
=
.....
{
PV
= – (
PMT + FV)
PV
= – (
PMT + FV)