
•            
•     ,          
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•                      , 
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•              
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•             
•                    
                    
                
•              
•                 CASIO COMPUTER CO., LTD. 
  
  
•             
 
          
•         
•          ,    3         
  
•                       
        
•             
•                     ,  
             
k   
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•       ,          , ,  A=
           ,         
    
    ()       (LR44)      
    3  (     )
    0˚C  40˚C
 (H) × (W) × (D) /   ( )
MJ-12GST: 29.6×122.5×149.5mm / 135 
MJ-120GST: 29.8×126.5×153.5mm / 145 
6 ÷ 3 × 5 + 2.4 – 1 = 11.4
(MJ-120GST)
2 × (– 3) = – 6
“F”  A
6352.41/*+ -=
2 3*>=
0.
06*1                     11.4
– 6.
*1       
•             
5   3 = 1.66666666…÷“F”  5/ =3
“CUT, 2”  5 3/ =
“5/4, 2”  5 3/ =
1.66666666...
1.66
1.67
$ 1.23  “CUT, ADD2”  123+1.23
 3.21   321-4.44
– 1.11   111+3.33
 2.00   2.= 5.33
$ 5.33 
12 + 23 = 35 “F”  23++ =12
K
  35.
45 + 23 = 68   45=
K
  68.
7 – 5 = 2   5-- =7
K
  2.
2 – 5 = – 3   2=
K
  –3.
2 × 12 = 24   12** =2
K
  24.
4 × 12 = 48   4=
K
  48.
45 ÷ 9 = 5   9// =45
K
  5.
72 ÷ 9 = 8   72=
K
  8.
(MJ-120GST )
'4   5 = 10דF”  49
'   
2.
    * =510.
200   5% = 10דF”  200* &5%       10.
100 + (100   5%) = 105דF”  100+ &5%    105.
100 + (100   5%) = 105דF”  100* &+5105.
500 – (500   20%) = 400דF”  500- &20 %    400.
500 – (500   20%) = 400דF”  500* &-20 400.
30 = 60   ?%               ? = 50דF”  30/ &60 %       50.
100% 25%
$120
? ($160)
? ($40)  “F”  120U25&
    =
%    160.
40.
 8   9 = 72דF”  8 9MM * l
      M
  72.
–) 5   6 = 30×    5* m6
      M
  30.
 2   3 =    6×    2* l3
      M
  6.
    48     M
      M
  48.
 5   6 = 30דF”  5 6A* =
GT
  30.
 2   8 = 16×    2* =8
GT
  16.
    46     &*2
GT
  46.
12 ÷ 2 = 6 “F”  12 2AMM l/ =
GT M
  6.
12 ÷ 5 = 2.4     M/ =5
GT M
  2.4
12 ÷ 8 = 1.5     M/ =8
GT M
  1.5
    9.9     &
GT M
  9.9
 7.8   89 = 694.2דF”  7.8 89AMM l* =
GT M
  694.2
 4.56 × 23 = 104.88     4.56l* =23
GT M
  104.88
12.36 799.08     M
GT M
  12.36
    &
GT M
  799.08
*2& 
     ()    
2 + 3 = 6 
     4“F”  2+C=3 4 6.
2 + 7 = –5 
  
    2+- =7– 5.
5 + 77 = 12      5+ '=77 12.
•  “E” ()                 
   ,   A
•              
:  1.23  “E”       ,    1.23 × 10
12     
  
k  
•                   A
•          ,      M
GST 
 GST (   )               e i
   
•     GST 
GST+0 GST+1 GST+2 GST+3 GST+4
0% 5% 12% 18% 28%
•                      
                    
                
•       
:    = 5%,    = 12%f g
Amf   5m
( )SET     
Amg m   12
(SET     )
•        ,  ,  ,  ,   ,      Ae f g h i
  
• GST+  (A)  TAX-  (B)       
(A)  --  --    
     ↔(B)  --  --    
    
f 
$150 *3 ➞ ??? *
4 *5
A
 
150
 
f
f
f
f
*4
*3
*5
157.5
GST +1
150.
GST 
-
1
7.5
GST  1
( )*d6
$105 *4 ➞ ??? *3 *5
“F” ( )*d7A
 
105
 
o
o
100.
TAX
-
1
5.
TAX 1
*
3
*
5
*3  --
*4  --
*5  
*6    “GST+”     ,          d
*7    “TAX−”     ,          d
Qty. Unit 
Price
Taxable 
Amount Tax Rate Tax 
Amount Total Value
Item 1
Item 2
1
2
100
200
100
400
5% (GST+1)
5% (GST+1)
5
20
105
420
Sub Total 
(GST+1)               *8
500 ---            *9
25                 *10
525
Item 3
Item 4
1
1
1000
2000
1000
2000
12% (GST+2)
12% (GST+2)
120
240
1120
2240
Sub Total 
(GST+2)               *8
3000 ---            *
9
360                 *10
3360
Total Amount Before Tax
               *11
          3500
Tax
 *12
 
385
After Tax
*13    
3885
5.
TAX 1 %
12.
TAX 2 %
d
(A) (B)
0. 0.
• --, --,   --  
“F” ( )*d6
A
 
100
  
f
  
 
2
 
*
  
200
 
f
1000
 
g
2000
 
g
3´ 5.88
GST +
2´ 0.24
GST +2
1´120.
GST +2
3´105.
GST +1
3´420.
GST +1
3´ 0.50
GST 
-
385.
GST 
j
j
j
*14
*13
*11
*12
192.5
  
/
  
2
 
=
(Item 1)
(Item 2)
(Item 3)
(Item 4)
(SGST/CGST
Total)
GT
=
•      --, --,      - 
  ( )
  ,     (-)     ( )        
 (--, --,  )    
*8  --  -
*9   -
*10  --  -
*11  --       
*12         
*13  --       
*14                GST GT ( )   j
 :  ,  ,  ,  ,      ,     e f g h i j
  GT (  )    
•   A   --, --,   -       
 
    
  (30 + 10 – 5) × 2 ÷ 5 = 14
*15               
•           
•                 200  
(MJ-120GST)  150  (MJ-12GST)    
“F” ( )*d6
A
 
100
 
f
 
2
 
*
  
200
 
f
  
1000
 
g
  
2000
 
g
j
f
f
f
g
g
g
*10
*8
*9
*10
*8
*9
2´240.
GST +2
3´ 5.88
GST +
525.
GST +1
500.
GST 
-
1
25.
GST  1
3´ 0.36
GST +2
3´ 0.00
GST 
-
2
360.
GST  2 
0.
A
“F” A30+01
30.
10-02 40.
5*03
35.
2/04
70.
505
5.
=06
14.
GT
&
'
(
)
)
=
*
15
SA1811-C
© 2018 CASIO COMPUTER CO., LTD.
HI EN
User’s Guide
MJ-12GST
MJ-120GST
   
•       ,                 e
         
•                       j
    GST   
•    ,       (-)     (  )      
  (--, --,  )            
A
•            ,          GST = & j&
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•  GST      GST            ,   = &
a      GST      e
•    GST           ,      GST   k l C
   
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         ,      
•       Review    
•   A                     
k   
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m       
 
!
•                     
 
k    
*16  
l        k            
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(30   – 5) × 2 ÷ 5 =     (30 – 20 – 5) × 3 ÷ 5 = + 10 14 R
*18               c
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*20         ( ,  ,  ,  )  /   +-*/
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*22            
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