Casio fx-260SOLAR II Manuale d'uso
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fx-82SOLAR II
fx-260SOLAR II
fx-260SOLAR II NF
User's Guide
CASIO Worldwide Education Website
http://edu.casio.com
Manuals are available in multi languages at
http://world.casio.com/manual/calc
RJA536287-001V02
SA1612-B
Printed in China
© 2017 CASIO COMPUTER CO., LTD.
fx-82SOLAR
fx-260SOLAR
fx-260SOLAR
Handling Precautions
5
• Be sure to press the
key before using the calculator.
• Your calculator is made up of precision components.
Never try to take it apart.
• Avoid dropping your calculator and otherwise subjecting it
to strong impact.
• Do not store the calculator or leave it in areas exposed to
high temperature or humidity, or large amounts of dust.
When exposed to low temperatures, the calculator may
require more time to display results and may even fail to
operate. Correct operation will resume once the calculator
is brought back to normal temperature.
• The display will go blank and keys will not operate during
calculations. When you are operating the keyboard, be
sure to watch the display to make sure that all your key
operations are being performed correctly.
• With certain calculations, it may take some time before the
result is displayed. The display is blank while a calculation
is in progress.
• Avoid using volatile liquids such as thinner or benzine to
clean the unit. Wipe it with a soft cloth, or with a cloth
that has been dipped in a solution of water and a neutral
detergent and wring out.
• In no event will the manufacturer and its suppliers be liable
to you or any other person for any damages, expenses,
lost profits, lost savings, or any other damages arising
out of malfunction, repairs, or insufficient light. The user
should prepare physical records of data to protect against
such data loss.
• Never dispose of the liquid crystal panel, or other
components by burning them.
• Before assuming malfunction of the unit, be sure to
carefully reread this manual and ensure that the problem
is not due to operational error.
• The contents of this manual are subject to change without
notice.
• No part of this manual may be reproduced in any form
without the express written consent of the manufacturer.
• Be sure to keep all user documentation handy for future
reference.
Modes
Key
Application
Operation
Fl
Standard deviation calculations
F0
Normal calculations
F4
Calculations using degrees
F5
Calculations using radians
F6
Calculations using grads
Number of decimal place
F7
specification
Number of significant digit
F8
specification
F9
Cancels FIX and SCI settings
* Display indicators show current mode setting. Absence of
display indicator indicates COMP Mode.
• The above table is printed on the back of the calculator.
Note!
• A mode guide is located at the top of the display screen.
• DEG, RAD, and GRA modes can be used in combination
with COMP and SD modes.
F9
•
does not exit SD mode.
F0
•
exits SD mode.
F0
•
does not clear SCI or FIX specifications.
t
• Always press
before entering DEG, RAD, and GRA
modes.
• Remember to always set the operating mode and angular
unit (DEG, RAD, GRA) before starting your calculation.
EN
Basic Calculations
• Use the COMP mode for basic calculations.
• Example 1: 23 4.5 53
+
,
23
4.5
• Example 2: 56 ( 12)Ö( 2.5)
-
E \
56
12
2.5
• Example 3: 2Ö3 (1 10
20
)
\
-
e
2
3
1
• Example 4: 7 8 4 5 = 36
-
,
-
7
8
4
6
• Example 5:
= 0.3
4 5
-
\
A N =
4
5
6
• Example 6: 2 [7 6 (5 4)]
- O
+
2
7
O
+
P P =
5
4
P
• You can skip all
operations before the
• Example 7: 4
π 5
3
3
A N =
\
- A x -
4
3
5
Constant Calculations
+
,
-
\
• Press
,
,
,or
twice after inputting a number to
make that number a constant.
• "K" is on the display while a constant is being used.
• Use the COMP mode for constant calculations.
• Example 1: 2.3 3, then 2.3 6
+ +
(2.3 3)
2.3
(2.3 6)
• Example 2: 12 2.3, then 12 ( 9)
- -
12
(12 2.3)
(12 ( 9))
9
• Example 3: 17 17 17 17
68
NF
+ + =
17
(17 17)
(17 17 17)
(17 17 17 17)
4
• Example 4: 1.7
8.3521
- - =
(1.7
2
)
1.7
(1.7
3
)
(1.7
4
)
Memory Calculations
• Use the COMP mode for memory calculations.
AY
|
A{
Z
• Use
,
,
and
AY
replaces current memory contents.
• "M" appears when there is a value in memory.
0AY
• To clear memory, press
• Example 1: (53 6) (23 8) (56 2) (99Ö4)
+
= A Y
(53 6)
53
6
,
(23 8)
23
-
(56 2)
56
\
(99 4)
99
(Memory recall)
• Example 2: To calculate the following using memory as
shown.
• Example 3: To calculate the following using memory and
a constant: (12 3) (45 3) (78 3) 135.
- -
= A Y
3
12
(12 3)
(45 3)
45
Mode
Name*
(78 3)
SD
(Memory recall)
COMP
DEG
Fraction Calculations
RAD
II
II
(fx-82SOLAR
/fx-260SOLAR
• Use COMP mode for fraction calculations.
GRA
• Total number of digits (including division marks) cannot
exceed 10.
FIX
2
4
7
• Example 1:
1
3
5
15
SCI
C
+
C
2
3
4
NORM
1
2
11
• Example 2: 3
1
4
4
3
12
C
C
3
1
C
C
1
2
2
1
• Example 3:
4
2
1
• Example 4:
1.6
2.1
2
C
+
1
2
Fraction/decimal calculation result is always decimal.
• Example 5: 1
2
=
53
–25.5
• Example 6: 1
E =
268.8
=
19
6.666666667
20
=
36.
5
Percentage Calculations
• Use COMP mode for percentage calculations.
• Example 1: To calculate 12% of 1500.
0.3
122
• Example 2: To calculate what percentage of 880 is 660.
-
6
122.
• Example 3: To add 15% onto 2500.
=
key.
523.5987756
• Example 4: To discount 3500 by 25%.
• Example 5: To calculate the following using a constant.
12% of 1200 = 144
18% of 1200 = 216
23% of 1200 = 276
(12 %)
(18 %)
K
=
5.3
3
(23 %)
K
=
8.3
6
• Example 6: 300 grams are added to a test sample
originally weighing 500 grams, producing a final test
K
sample of 800 grams. What percent of 500 grams is 800
=
27.6
2.3
grams?
K
E =
–108.
• Example 7: What is the percentage change when a value
K
is increased from 40 to 46?
34.
K
=
51.
K
=
68.
Scientific Function Calculations
• Use COMP mode for scientific function calculations.
K
• Some calculations may take a long time to complete.
2.89
• Wait for result before starting next calculation.
K
π
=
4.913
•
= 3.1415926536.
K
=
8.3521
k Sexagesimal Functions
• Example 1: 14°25'36" + 12°23'34" = 26°49'10"
for memory calculations.
• Example 2: 1°2'3" + 4.56 = 5.594166667
tAY
or
.
I
1
210.75
• Example 3: sin 87°65'43.21" = 0.999447513 (DEG mode)
M
59.
I
87
M
|
15.
8
• Example 4: 1.23 ↔ 1°13'48" 1.23
M
|
112.
2
M
|
24.75
4
M
Z
210.75
• Example 5: 12°34' ↔ 12.56666667
You can also use
between sexagesimal and decimal.
k Trigonometric/Inverse Trigonometric Functions
M
13.
• Example 1: sin (
MK
36.
• Example 2: cos 63°52'41" (DEG mode)
MK
A {
135.
MK
|
234.
78
• Example 3: tan ( 35gra)(GRA mode)
MK
Z
135.
• Example 4: cos
only)
2
• Example 5: To convert 45 degrees to radians, grads, and
back to degrees
=
1 7 15.
5
+
4
=
4 11 12.
3
C
2 4.
2
4
=
1 2.
Repeated conversion between angle units can cause
normally minute error to accumulate, resulting in poor
precision.
=
2.1
k Hyperbolic/Inverse Hyperbolic Functions
1.6
• Example 1: sinh 3.6
• Example 2: sinh
k Common and Natural Logarithms, Exponents
↔ 0.5 (Fraction ↔ Decimal)
C
=
1 2.
• Example 1: log 1.23
1
2
C
0.5
• Example 2: In 90 ( log
C
1 2.
• Example 3:
2
5
↔
3
3
C
C
1 2 3.
1
2
3
• Example 4: 10
A B
5 3.
A B
1 2 3.
• Example 5: 2
• Example 6: 2
• Example 7:
-
A v
180.
1500
12
• Example 8: log sin 40°+ log cos 35° (DEG mode)
\
A v
75.
660
880
To convert to antilogarithm:
-
A v +
2875.
2500
15
• Example 9: 8
k Square Roots, Cube Roots, Squares,
-
A v ,
2625.
3500
25
• Example 1:
• Example 2:
K
- -
A v
144.
1200
12
K
A v
216.
18
K
A v
276.
• Example 3: ( 30)
23
• Example 4:
+
A v
160.
300
500
• Example 5: 8!
,
A v
15.
46
40
k FIX, SCI, NORM, RND, RAN#, ENG Calculations
• Example 1: 1.234 1.234, rounding result to two places
• Example 2: 1.234 1.234, rounding input to two places.
I
I
I +
14
25
36
I
I
I =
26°49°10.
12
23
34
• Press
• Example 3: 1Ö3, displaying result with two significant
I
I +
=
5.594166667
2
3
4.56
I
I S
0.999447513
65
43.21
• Press
I
1°13°48.
I
1.23
• Example 4: To convert 56,088 meters to kilometers.
I
1°13°48.
• Example 5: To convert 0.08125 grams to milligrams.
I A O
I
12.56666667
12
34
I
when inputting values to convert
• Example 6: To generate a random number between
Example (results differ each time)
π
k Coordinate Conversion
rad) (RAD mode)
6
• Example 1: To convert polar coordinates (
RAD
A x \
= S
6
0.5
x
DEG
I
I
I W
63
52
41
y
0.440283084
A N
GRA
E h
35
• Example 2: To convert rectangular coordinates (1, 3 ) to
–0.612800788
2
–1
(
rad) (RAD mode)
r
2
RAD
A L \
= A V
2
0.785398163
θ
k Permutation
• Example: To determine how many different 4-digit values
DEG
F 4
45
45.
RAD
A F 5
0.785398163
GRA
k Combination
A F 6
50.
• Example: To determine how many different 4-member
DEG
A F 4
45.
M S
18.28545536
3.6
1
M A j
4.094622224
30
30
R
0.089905111
1.23
T
4.49980967
90)
90
e
Iog 64
Iog 4
R \
R =
64
4
e
0.4
5
3
A Q +
.4
-
E A U =
2.760821773
5
3
3
w
=
2
3
w
E =
3
2
3
e
A U
22026.46579
10
10
S R +
W R =
40
35
–0.278567983
A Q
0.526540784
1/3
A s
=
8
3
Reciprocals and Factorials
2
3
5
A L +
A L -
A L =
5.287196909
2
3
5
3
3
5
27
A D +
E A D =
–1.290024053
5
27
E K
2
30
1
1
1
3
4
A X ,
A X =
3
4
A X
8 A f
(FIX 2).
F 7 2
+
=
1.234
1.234
F 7 2
A b +
1.234
A b =
1.234
F 9
to clear FIX specification.
digits (SCI 2).
F 8 2
\
=
1
3
F 9
to clear SCI specification.
A J
56.088
56088
A J
81.25
.08125
0.000 and 0.999.
A c
r
2,
x
y
rectangular coordinates (
,
). (DEG mode)
DEG
A z
=
2
60
DEG
A N
1.732050808
swaps displayed value with value in memory.
r
polar coordinates (
, ). (RAD mode)
A y
A L =
1
3
A N
1.047197551
can be produced using the numbers 1 through 7.
A m
=
7
4
groups can be organized in a group of 10 individuals.
A n
=
10
4
3.
8.
0.125
DEG
DEG
2.
900.
12.
40320.
FIX
0.00
FIX
2.47
FIX
2.46
SCI
00
0.0
SCI
3.3
–01
03
–03
0.664
60°) to
1.
RAD
2.
RAD
840.
210.