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Casio MJ-12Sb User manual

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MJ-12Sb
User’s Guide
SA1807-A
© 2018 CASIO COMPUTER CO., LTD.
󰬁
•󰬌 󰰗      󰬎󰰣   󰰗
• 󰫦  󰰗,  󰫽󰫦    󰰉 󰰗 󰲑  󰰚
k󰫽󰫦 
• 󰲑    󰲑 󰲑  󰫮󰬾 󰫦      󰬁 󰰉
   ,  󰬁 󰭈     A 
•      󰲑 󰭈   󰭈   󰰗
•    󰰗  󰰗 󰰎
•      -    󰭈 󰰎 󰰗
•            󰰗
•  󰰘󰰣   󰲐       
•          󰲑     CASIO COMPUTER
CO., LTD. 󰰌 󰰎 󰰚
k󰬎 󰫯 󰭈󰫦
•        󰭈  󰭈  
k    
•   󰭈  󰲐       “k  󰱺 ”

•   󰰗       󰰚   󰲑  A 󰰎  
150   󰰎  
• Review   󰰗  󰭈 150   󰰗 󰬎 󰲑   ,
    󰰣
• 󰭃󰲐 󰰘 󰭈󰲗󰫦   Review 󰰎 󰲑  
• A           󰰚  󰰣 󰲒  󰲑  󰰉
 
k 󰱺 
 󰱺     󰭈󰲑󰬴      󰲐   =,
&, l  m     󰱺  
k󰫦 󰭈
 󰫦 󰭈 󰫦  󰰗  󰫦 󰬄  
• 󰲑       
• 󰲑       󰰎   󰰚,    3  󰰗   
     
• 󰲑          󰫦󰰗 󰰗  󰲑     
        󰫤 󰰀  
•  󰫵 󰬎    󰫽  󰱨  󰰎 
•     󰭈󰱺  󰰗  󰬎    󰬎󰫦  
  ,  󰬁 󰫤   󰲒  󰰗 󰬉  󰲒
󰬌   
k󰬎  
󰬎  :       6  
•  󰫤 󰭈󰲑󰬴  , 󰬎    󰫮     , A=
,       󰲑       ,   
    󰲒 󰬎 󰰗  󰰀 
k
󰫦     LR54 (LR1130)       󰫦
󰭈
 󰲒   3 󰫦 (  󰭈󰲑   )
󰭈  0° C  40° C
 31.7 (H) × 103 (W) × 145 (D) mm
  100 󰬶 ( )
k 
6 ÷ 3 × 5 + 2.4 – 1 = 11.4
A
6/3*5+2.4-1=
0.
006*111.4
*1󰬎󰬂      
•     󰫦  󰰗 󰭈󰲗󰫦 󰰎 󰲑  
12 + 23 = 35
45 + 23 = 68
7 – 5 = 2
2 – 5 = –3
2 × 12 = 24
4 × 12 = 48
45 ÷ 9 = 5
72 ÷ 9 = 8
23++12=
45=
5--7=
2=
12**2=
4=
9//45=
72=
K
35.
K
68.
K
2.
K
–3.
K
24.
K
48.
K
5.
K
8.
'
4 × 5 = 10 49
*5=
'2.
10.
200 × 5% = 10 200*5&% 10.
100 + (100 × 5%) = 105 100+5&%105.
100 + (100 × 5%) = 105 100*5&+ 105.
500 – (500 × 20%) = 400 500-20&%400.
500 – (500 × 20%) = 400 500*20&- 400.
30 = 60 × ?% ? = 50 30/60&% 50.
8 × 9 = 72
– ) 5 × 6 = 30
2 × 3 = 6
48
MM8*9l
5*6m
2*3l
M
M
72.
M
30.
M
6.
M
48.
2 +3 = 6 2+3C4=6.
5+77+=12.
4
2 +7 = – 5 2+-7=– 5.
–
5 +77 = 12
• “E” (󰭃) 󰲑  󰲑  󰲐    󰲒     
 󰲑    , A 
•  󰭃󰲐 󰫽󰱷   󰭈󰲗󰫦 󰬉     
: 󰲑 1.23  “E”   󰭈󰲗󰫦 󰲑  ,    1.23 ×
1012      
k 
• 󰬎󰭃            A
•   󰬎󰭃     , M    
k 󰲒 󰫤 
󰫽󰫦
!
•   󰰗 󰰣 󰲒 󰫤   󰫦   󰬌 󰰉   
  󰰉   “k  󰱺 ” 
 (30 + 10 – 5) × 2 ÷ 5 = 14
A30+01 30.
10-02 40.
5*03 35.
2/04 70.
505 5.
=06 14.
&
'
(
)
)
=
•   󰲒 󰭈󰲑󰬴  󰰗    
• 󰱇  󰰗 󰭈󰫽 󰱇   󰲑    󰰗 150  
  󰰚
 󰲒 󰫤 
F
F
F
F
F
F
*2
01
30.
REV
02 10.
REV
03 5.
REV
04 2.
REV
05 5.
REV
06
14.
REV
&
'
(
)
=
=
*2F        G        󰲒 󰫤 󰲒 
     F  G      -     󰰣 󰰗
 󰲑            ,     󰰎 
• C   󰫤 󰭈󰲑󰬴 󰱺   
󰲑    
(30 + 10 – 5) × 2 ÷ 5 = 14 R(30 – 20 – 5) × 3 ÷ 5 =
F
c
-c
F
c
20c
F
F
c
3c
F
F
01
30.
REV
CRT
REV
REV
CRT
REV
REV
REV
CRT
REV
REV
REV
01 30.
01 30.
02 10.
02 10.
02 20.
03 5.
04 2.
04 2.
04 3.
05 5.
06
3.
*4
*8
*3
*6
*5
*7
*5
&
&
'
'
'
'
(
)
)
)
=
=
*3       󰰚 󰭈󰲗󰫦   c 
*4          CRT  󰬎󰬂   
*5     󰰥   (+, -, *, /)  /󰲑 
 󰰚
*6 󰲐󰫦    c   
*7  󰲐 󰲒     󰬁   
*8   󰲐    󰭈󰱺    󰲑 󰫯    
󰰎  󰰚
• 󰬆 󰭈󰲑󰬴 󰰈      c      󰰗 
    󰰚  󰲑 c    󰬆 󰭈󰲑󰬴 󰱺  
󰰚  󰰗     󰬆 󰭈󰲑󰬴 󰱺    c 
 󰰗
•  󰫯               
      󰰚    󰰎   
•  󰲒    󰰗 󰰣 󰲒 󰫯  󰫦  
kBasic Calculations
6 ÷ 3 × 5 + 2.4 – 1 = 11.4
A
6/3*5+2.4-1=
0.
006*111.4
*1A step indicator is also on the display.
• This indicator is not shown in some of the example displays of this
User’s Guide.
12 + 23 = 35
45 + 23 = 68
7 – 5 = 2
2 – 5 = –3
2 × 12 = 24
4 × 12 = 48
45 ÷ 9 = 5
72 ÷ 9 = 8
23++12=
45=
5--7=
2=
12**2=
4=
9//45=
72=
K
35.
K
68.
K
2.
K
–3.
K
24.
K
48.
K
5.
K
8.
'
4 × 5 = 10 49
*5=
'2.
10.
200 × 5% = 10 200*5&% 10.
100 + (100 × 5%) = 105 100+5&%105.
100 + (100 × 5%) = 105 100*5&+ 105.
500 – (500 × 20%) = 400 500-20&%400.
500 – (500 × 20%) = 400 500*20&- 400.
30 = 60 × ?% ? = 50 30/60&% 50.
8 × 9 = 72
– ) 5 × 6 = 30
2 × 3 = 6
48
MM8*9l
5*6m
2*3l
M
M
72.
M
30.
M
6.
M
48.
2 +3 = 6 2+3C4=6.
5+77+=12.
4
2 +7 = – 5 2+-7=– 5.
–
5 +77 = 12
• “E” (Error) will appear if the calculation result exceeds the upper
calculation limit of the calculator. If this happens, press A.
• The value displayed when a calculation error occurs is a rough
approximate value.
Example: If 1.23 is displayed along with “E”, it indicates a value of
approximately 1.23 × 1012.
kClearing Calculations
• To clear the calculator except for independent memory, press A.
• To clear independent memory only, press Mtwice.
kReviewing a Calculation
Important!
• Before you can review steps in Calculation Memory, you must first finalize
the current calculation. See “kFinalizing a Calculation”.
Example: (30 + 10 – 5) × 2 ÷ 5 = 14
A30+01 30.
10-02 40.
5*03 35.
2/04 70.
505 5.
=06 14.
&
'
(
)
)
=
• Key operations are stored in Calculation Memory as you input them.
• Each line in the above example represents one step. Calculation Memory
can hold up to 150 steps.
To review the calculation
F
F
F
F
F
F
*2
01
30.
REV
02 10.
REV
03 5.
REV
04 2.
REV
05 5.
REV
06
14.
REV
&
'
(
)
=
=
*2Pressing Freviews starting from the first step, while Greviews from the last
step. Each press of For Gscrolls by one step. Holding down either key scrolls
until you release it.
• Pressing Cexits the review operation.
To edit a calculation
(30 + 10 – 5) × 2 ÷ 5 = 14 R(30 – 20 – 5) × 3 ÷ 5 =
F
c
-c
F
c
20c
F
F
c
3c
F
F
01
30.
REV
CRT
REV
REV
CRT
REV
REV
REV
CRT
REV
REV
REV
01 30.
01 30.
02 10.
02 10.
02 20.
03 5.
04 2.
04 2.
04 3.
05 5.
06
3.
*4
*8
*3
*6
*5
*7
*5
&
&
'
'
'
'
(
)
)
)
=
=
*3Press cwhile the step you want to correct is displayed.
*4The CRT indicator is on the display while calculation memory editing is enabled.
*5You can edit values and command key operations (+, -, *, /).
*6After you are finished making the changes you want, press cagain.
*7Scroll to the last step to check the new result.
*8The result is always produced by the calculation. You cannot change it by
inputting a value.
• You can make as many changes as you want, as long as you press conce
to start the editing operation and then once again to end the editing operation.
Do not forget to press cto exit editing after making the changes you want.
• If an error occurs while you are inputting a calculation or editing a calculation, all
the steps are cleared from calculation memory and cannot be reviewed.
• Calculation speed depends on the number of steps in calculation memory.
Manufacturer:
CASIO COMPUTER CO., LTD.
6-2, Hon-machi 1-chome, Shibuya-ku, Tokyo 151-8543, Japan
Responsible within the European Union:
Casio Europe GmbH
Casio-Platz 1, 22848 Norderstedt, Germany
www.casio-europe.com
English
• Be sure to keep all user documentation handy for future reference.
• In this User’s Guide, some key notations are shown in simplified form.
kImportant Precautions
• If you suspect that the calculator is operating abnormally due to static
electrical charge or some other problem, press Ato restore normal
operation.
• Avoid dropping the calculator and otherwise subjecting it to severe
impact.
• Never bend or twist the case.
• Never try to take the calculator apart.
• Wipe the unit with a soft, dry cloth to clean it.
• The contents of these instructions are subject to change without notice.
• CASIO COMPUTER CO., LTD. assumes no responsibility for any loss
or claims by third parties which may arise from the use of this product.
kLocalized Number Display
• This calculator employs the Indian system of digit grouping.
kAbout Calculation Steps
• A finalize key operation and the result it produces is also a step. See
“kFinalizing a Calculation” below.
• Steps continue to be accumulated in calculation memory until you
press Aor until 150 steps are accumulated, even if a finalize key is
pressed.
• Review can be used to view only the first 150 steps in calculation
memory, even if there are more steps.
• Review cannot be performed while an error indicator is displayed.
• Pressing Aclears all steps from calculation memory and restarts the
step count from 1.
kFinalizing a Calculation
Finalizing a calculation means performing a key operation that produces
a calculation result. Pressing any of the following keys finalizes a
calculation: =, &, l, m.
kPower Supply
Two-Way Power System provides power even in complete darkness.
• Always leave battery replacement up to an authorized dealer.
• Even if you do not use the calculator, you should replace the battery at
least once every 3 years.
• A dead battery can leak and damage the calculator if left in the battery
compartment for long periods.
• The battery is a consumable item and it is not covered by the product
warranty.
• The battery that comes with this unit discharges slightly during
shipment and storage. Because of this, it may require replacement
sooner than the normal expected battery life.
kAuto Power Off Function
Auto power off: Approximately 6 minutes after last key operation
• If the Auto Power Off function turns off power while Review operation
is in progress, press A=to restore power. Doing so returns to the
point you were at before power turned off.
kSpecifications
Power Supply: Two-Way Power System, with solar cell and one LR54
(LR1130) button type battery
Battery Life: Approximately 3 years (1 hour operation per day)
Operating Temperature: 0˚C to 40˚C (32˚F to104˚F)
Dimensions: 31.7 (H) × 103 (W) × 145 (D) mm
(11/4˝ H × 41/16˝ W × 511/16˝ D)
Weight: Approximately 100 g (3.5 oz), including battery

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