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 










