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• Be sure to keep all user documentation handy for future reference.
• In this User's Guide, some key notations are shown in simplified form.
k Important Precautions
• If you suspect that the calculator is operating abnormally due to static
electrical charge or some other problem, press A to 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.
k Localized Number Display
• This calculator employs the Indian system of digit grouping.
k About Calculation Steps
• A finalize key operation and the result it produces is also a step. See
"k Finalizing a Calculation" below.
• Steps continue to be accumulated in calculation memory until you
press A or 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 A clears all steps from calculation memory and restarts the
step count from 1.
k Finalizing 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.
k Power 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.
k Auto 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.
k Specifications
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
(1
/
˝ H × 4
/
˝ W × 5
/
˝ D)
1
1
11
4
16
16
Weight: Approximately 100 g (3.5 oz), including battery
k Basic Calculations
6 ÷ 3 × 5 + 2.4 – 1 = 11.4
6/3*5+2.4-1=
*
1
A 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
23
++
45 + 23 = 68
7 – 5 = 2
5
--
2 – 5 = –3
12
2 × 12 = 24
**
4 × 12 = 48
45 ÷ 9 = 5
9
//
72 ÷ 9 = 8
' 4 × 5 = 10
*5=
200 × 5% = 10
200*5&
100 + (100 × 5%) = 105
100+5&
100 + (100 × 5%) = 105
100
5
*
&+
500 – (500 × 20%) = 400
500
-
500
20
500 – (500 × 20%) = 400
*
&-
30
30 = 60 × ?%
? = 50
/
8 × 9 = 72
MM8*9l
– ) 5 × 6 = 30
5*6m
2 × 3 = 6
2*3l
48
2+3C4=
2 + 3 = 6
4
2 + 7 = – 5
2+-7=
–
5+77+=
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 × 10
.
12
k Clearing Calculations
• To clear the calculator except for independent memory, press A.
• To clear independent memory only, press M twice.
k Reviewing a Calculation
Important!
• Before you can review steps in Calculation Memory, you must first finalize
the current calculation. See "k Finalizing a Calculation".
Example: (30 + 10 – 5) × 2 ÷ 5 = 14
0.
A
1
006*
11.4
K
12
35.
=
K
45
68.
=
K
7
2.
=
K
2
–3.
• Key operations are stored in Calculation Memory as you input them.
=
• Each line in the above example represents one step. Calculation Memory
K
2
24.
=
can hold up to 150 steps.
K
4
48.
=
To review the calculation
K
45
5.
=
K
72
8.
=
'
49
2.
10.
%
10.
%
105.
105.
%
20
400.
Pressing F reviews starting from the first step, while G reviews from the last
&
2
*
step. Each press of F or G scrolls by one step. Holding down either key scrolls
400.
until you release it.
%
60
50.
• Pressing C exits the review operation.
&
To edit a calculation
M
72.
M
30.
(30 + 10 – 5) × 2 ÷ 5 = 14 R (30 – 20 – 5) × 3 ÷ 5 =
M
6.
M
M
48.
6.
– 5.
12.
*
3
Press c while the step you want to correct is displayed.
*
4
The CRT indicator is on the display while calculation memory editing is enabled.
*
5
You can edit values and command key operations (+, -, *, /).
*
6
After you are finished making the changes you want, press c again.
*
7
Scroll to the last step to check the new result.
*
8
The 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 c once
to start the editing operation and then once again to end the editing operation.
Do not forget to press c to 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.
01
&
A30+
30.
02
'
10-
40.
03
(
5*
35.
04
)
2/
70.
05
)
5
5.
06
=
=
14.
F
01
REV
*
2
&
30.
F
02
REV
'
10.
03
F
REV
(
5.
F
04
REV
)
2.
F
05
=
REV
5.
F
06
REV
14.
=
F
01
REV
&
30.
01
CRT
*
4
&
*
3
c
30.
01
REV
*
5
- c
*
6
'
30.
F
02
REV
'
10.
02
CRT
'
c
10.
02
REV
*
5
'
20c
20.
F
03
REV
(
5.
F
04
REV
)
2.
04
CRT
)
c
2.
04
REV
)
3c
3.
F
05
=
REV
5.
F
06
REV
*
8
*
7
3.
=
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
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