Casio ALGEBRA FX2.0 Financial User Manual
Page 21
21
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Sum-of-the-Year's Digits Method
The sum-of-the-year's-digits method calculates depreciation for a given period.
12
{Y
–1
}
n'
=
n
–
n
(
n
+
1)
Z
=
12
2
(
n'
integer part +1)(
n'
integer part + 2*
n'
fraction part
)
Z'
=
SYD
1
=
{Y
–1
}
12
n
Z
×
(
PV
–
FV
)
n'
–
j+
2
Z'
)(
PV
–
FV
–
SYD
1
)
(
jG
1)
SYD
j
= (
RDV
1
=
PV
–
FV
–
SYD
1
RDV
j
=
RDV
j
–1
–
SYD
j
n'
–
(
n
+
1)
+
2
Z'
)(
PV
–
FV
–
SYD
1
)
(
{Y
–1
}G
12)
12–
{Y
–1
}
12
×
SYD
n
+1
= (
Depreciation for an item acquired part way through a year can be calculated by month.
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uu
u
u
Declining Balance Method
The declining balance method calculates depreciation for a given period.
RDV
1
=
PV
–
FV
–
DB
1
(
{Y
–1
}G
12)
(
{Y
–1
}G
12)
100
n
Y
–1
I%
DB
1
=
PV
×
100
n
I%
12
Ч
Ч
DB
j
= (
RDV
j
–1
+
FV
)
RDV
j
=
RDV
j
–1
–
DB
j
DB
n
+1
=
RDV
n
RDV
n
+1
= 0
SYD
j
: depreciation charge for the jth year
RDV
j
: remaining depreciable value at the
end of jth year
DB
j
: depreciation charge for the
jth year
RDV
j
: remaining depreciable
value at the end of jth year
I
%
: factor (%)