User manual - fx-CG20 (ソフトウェア)
7-14
u
特殊定率法(DB)
DB
j
j
RDV
j
j
I
%
3
6
g
3
n
I
P V
F V
j
Y
SL
j
FP FP
j
I%
SYD
j
DB
j
REPEAT
TABLE
GRAPH
RDV1 = PV – FV – DB1
({Y–1}≠12)
({Y–1}≠12)
100n
Y–1I%
DB
1 = PV ×
100n
I%
12
×
×
DB
j = (RDVj–1 + FV )
RDV
j = RDVj–1 – DBj
DBn +1 = RDVn
RDVn+1 = 0