Casio ALGEBRA FX2.0 Financial - Manual (Page 21)

21
u uu u u 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.
u 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 (%)