Casio FX 260 Support Question
Casio FX 260 Support Question
Find answers below for this question about Casio FX 260 - Solar Scientific Calculator.Need a Casio FX 260 manual? We have 1 online manual for this item!
Question posted by rimcomg on July 8th, 2014
How To Calculate Deviation Using Fx 260
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Current Answers
Answer #1: Posted by xtyboyj on November 29th, 2016 6:05 AM
xtyboyj
Member since:
November 22nd, 2016 Points: 6,430
Member since:
November 22nd, 2016 Points: 6,430
Related Casio FX 260 Manual Pages
User Manual - Page 4
... or large amounts of dust. It can leak and damage the unit.
• Avoid using volatile liquids such as thinner or benzine to operate. Wipe it in areas exposed to take...; The display will go blank and keys will not operate during calculations.When you are being performed correctly.
• Never leave the dead battery (fx-85B/fx-280) in a solution of water and a neutral detergent and wring...
User Manual - Page 5
...Application
Key
Mode
Operation Name*
Standard deviation calculations Fl
SD
Normal calculations Calculations using degrees
F0 F4
COMP DEG
Calculations using radians Calculations using grads
F5
RAD
F6
GRA
Number of...reread this manual and ensure that the problem is not due to low battery power (fx-85B/fx-280) or operational error. • The contents of this manual are subject to change...
User Manual - Page 6
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 ... before entering DEG, RAD, and GRA
modes. • Remember to always set the operating mode and angular
unit (DEG, RAD, GRA) before starting your calculation.
- 4 -
User Manual - Page 7
O 7 + 6 - Basic Calculations
• Use the COMP mode for basic calculations.
• Example 1: 23ѿ4.5Ҁ53 23 + 4.5 , 53 =
-25.5
• Example 2: 56҂(Ҁ12)Ö(Ҁ2.5) 56 -12 E \ 2.5 E =
268.8
• Example 3: 2Ö3҂(1҂...
User Manual - Page 8
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: 2.3ѿ3, then 2.3ѿ6
(2.3ѿ3)
2.3 + + 3 =
(2.3ѿ6)
6 =
K 5.3 K 8.3
• Example 2: 12҂2.3, then 12҂(ȕ9)
(12҂2.3)
12 - - 2.3 =
(12҂(ȕ...
User Manual - Page 9
....75
(53ѿ6)
53 + 6 = A Y
M
59.
(23ȕ8)
23 , 8 |
M
15.
(56҂2)
56 - 2 |
M 112.
(99Ȗ4)
99 \ 4 |
M 24.75
(Memory recall)
Z
M 210.75
• Example 2: To calculate the following using memory as shown.
- 7 -
• Example 4: 1.74҃8.3521
(1.7 2)
1.7 - - =
(1.7 3)
=
(1.7 4)
=
K 2.89 K 4.913 K 8.3521
Memory...
User Manual - Page 10
kAdditional fx-85B/fx-280 Memory Calculations
• The fx-85B/fx-280 has two additional memories named A and B.
• Use A J to store data and ...A. MK 234. MK 135. t 123 A J 1
123.
- 8 - MK 135. M
13.
• Example 3: To calculate the following using memory and a constant: (12҂3)ȕ(45҂3)ѿ(78҂3)҃135.
(12҂3) (45҂3) (78҂3) (Memory...
User Manual - Page 11
... 123 - 456 A J 2
56088. Fraction Calculations
• Use COMP mode for fraction calculations.
• Total number of 123 ҂ 456...4
ѿ1
2 3
҃4
11 12
3 C 1 C 4 +
1 C 2 C 3 =
4 11 12.
•
Example 3:
2 4
҃
1 2
2 C 4 =
•
Example 4:
1 2
ѿ1.6҃2.1
1 C 2 + 1.6 =
2 4. 1 2.
2.1
Fraction/decimal calculation result is always decimal. - 9 -
User Manual - Page 12
...↔ 0.5(Fraction ↔Decimal)
1 C 2 =
C
C
•
Example 6:
1
2 3
↔
5 3
1C 2C 3
A B
A B
1 2. 0.5
1 2.
1 2 3. 5 3.
1 2 3.
Percentage Calculations
• Use COMP mode for percentage calculations.
• Example 1: To calculate 12% of 1500. 1500 - 12 A v
180.
• Example 2: To calculate what percentage of 880 is 660.
660 \ 880 A v
75.
• Example 3: To...
User Manual - Page 13
...4: To discount 3500 by 25%. 3500 - 25 A v ,
2625.
• Example 5: To calculate the following using a constant.
12% of 1200 = 144 18% of 1200 = 216 23% of 1200 = 276...26°49°10.
- 11 - K 216. Scientific Function Calculations
• Use COMP mode for scientific function calculations. • Some calculations may take a long time to complete. • Wait for result before starting next...
User Manual - Page 20
...Example: To determine how many different 4-digit values can be produced using standard deviation.
• If FIX or SCI is on the display, press F 9 first. • Data input always starts with A u.
• Example: To calculate nҀ1, n, o, n, ⌺x, and ⌺x2 for statistical calculations using the numbers 1 through 7.
7 A m 4 =
840. F l
SD
0.
- 18 - Statistical...
User Manual - Page 23
Technical Information
kKeys and Their Functions
• General Arithmetic calculations
Backspace Q Clear(retains memory k Number input 0 - 9, l Power on; All clear t Sign change E
• Memory Memory in A Y Memory minus A { Memory plus Memory recall Z
• fx-85B/fx-280 Memory Memory A recall 0 1 Memory B recall 0 2 Memory M recall 0 3 Memory A store A J 1
- 21 -
User Manual - Page 26
...[ Data input Number of data A r Population standard deviation A p Sample standard deviation A q Statistical register clear A u Sum of squares of values A a Sum of decimal value, you can display up to 10 digits. Larger values are automatically displayed using exponential notation. In the case of values A o
kExponential Display Formats
This calculator can select between two formats that...
User Manual - Page 27
...confirm it is
correct. 5.
Check the formula you expect or if an error occurs, perform the following calculation.
1 \ 200 =
5. -03 NORM 1 format
0.005
NORM 2 format
• All of ... operator key), use Q to perform the calculation and
try again. F 4 (DEG mode) 3. There is currently in this manual show calculation results using the NORM 1 format.
If calculation results are not...
User Manual - Page 28
... (whether intermediate or final) or a
total accumulated in memor y is greater than 18 pairs of parentheses are performed using a value that exceeds the input range. ("-E-" indicator appears on the display.) c. When function calculations are used , but the operation retains the order of precedence of the operation for the first key you just pressed...
User Manual - Page 29
...calculator retains memory contents no matter what
the lighting conditions. • The TWO-WAY POWER system uses two power sources:
a solar cell and a single G13 Type (SR44 or LR44) battery. • Weak battery power is powered by a solar... restored by the CASIO TWO-
kPower Supply
• fx-82SOLAR/fx-260SOLAR This calculator is indicated when memory contents
spontaneously clear, or when the...
User Manual - Page 30
... up (so you can cause memory contents to become corrupted or lost completely. To replace the battery
1. Always keep written records of how much the calculator is used. Remove the screws that the positive (ѿ) side is for testing only. Install a new battery, making sure
that hold the back cover in place...
User Manual - Page 31
... to right, with the same precedence are six reg-
1
6
isters, so calculations up to six levels can be stored.
• Each level can contain up ...three open parentheses, so
parentheses can be nested up to turn power on the next page shows register contents following operation uses 4 levels and 5 nested parentheses.
2-O OO3 +4 -OO5 +4
The table on . Functions
2. formed first.
5....
User Manual - Page 32
... is the same for radians and grads.
Coordinate Transformation
• With polar coordinates, θ can be calculated within a range of -180° θ ͨ 180°. Register Contents
x4
L1
(( 5 ѿ
L 2
4 ҂
L3
((( 3 ѿ
L4
2 ҂
L 5
L6
kFormulas, Ranges, and Conventions
...
User Manual - Page 34
kSpecifications
Power Supply : fx-82SOLAR/fx-260SOLAR : Solar cell fx-85B/fx-280 : CASIO TWO-WAY POWER System: solar
cell plus one G13 Type (SR44 or LR44) batter y Battery Life (fx-85B/fx-280) : Approximately 3 years (1 hour use per day) on LR44/SR44 battery
Input Ranges :
Functions
Input Range
sinx cosx tanx
(DEG) ȊxȊ9҂109 (RAD) Ȋ...
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