k
Basic Calculations
6 ÷ 3 × 5 + 2.4 – 1 = 11.4
A
6
/
3
*
5
+
2.4
-
1
=
0.
0
06*
1
11.4
*
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
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
4
9
*
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
MM
8
*
9
l
5
*
6
m
2
*
3
l
M
M
72.
M
30.
M
6.
M
48.
2
+
3 = 6
2
+
3
C
4
=
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 × 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
A
30
+
01
30.
10
-
02
40.
5
*
03
35.
2
/
04
70.
5
05
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
&
'
(
)
=
=
*
2
Pressing
F
reviews starting from the first step, while
G
reviews from the last
step. Each press of
F
or
G
scrolls by one step. Holding down either key scrolls
until you release it.
• Pressing
C
exits the review operation.
To edit a calculation
(30 + 10 – 5) × 2 ÷ 5 = 14
R
(30 – 20 – 5) × 3 ÷ 5 =
F
c
-
c
F
c
20
c
F
F
c
3
c
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
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.
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
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.
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
1
/
4
˝ H × 4
1
/
16
˝ W × 5
11
/
16
˝ D)
Weight: Approximately 100 g (3.5 oz), including battery
