Casio ALGEBRA FX2.0 Financial Manual de usuario Pagina 6

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6
3. Compound Interest
This calculator uses the following standard formulas to calculate compound interest.
uu
uu
uFormula I
PV+PMT u + FV
i(1+ i)
n
(1+ i)
n
(1+ i u S)[(1+ i)
n
1] 1
= 0
i =
100
I
Here:
PV= (PMT
u
+ FV
u )
β
α
F
V=
β
PMT
u
+ PV
α
PMT=
β
PV
+ FV
u
α
n =
log
{ }
log(1+ i)
(1+ i S ) PMT+PVi
(1+ i S ) PMTFVi
i
(
1+ i
)
n
(1+ i
u
S)[(1+ i)
n
1]
=
α
(1+ i)
n
1
=
β
F(i) = Formula I
+ (1+ i S)[n(1+ i)
n1
]
+S [1(1+ i)
n
] FV n(1+ i)
n1
ii
PMT
(1+ i S)[1 (1+ i)
n
]
F(i)=
[
]
uu
uu
uFormula II (I% = 0)
PV + PMT × n + FV = 0
Here:
PV = (PMT u n + FV )
FV = (PMT u n + PV )
PV : present value
FV : future value
PMT : payment
n : number of compound periods
I
%
: annual interest rate
i is calculated using Newtons Method.
S = 0 assumed for end of term
S = 1 assumed for beginning of term
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