Casio fx 991MS Support Question
Casio fx 991MS Support Question
Find answers below for this question about Casio fx 991MS - Scientific Display Calculator.Need a Casio fx 991MS manual? We have 1 online manual for this item!
Question posted by LeMinrick on July 7th, 2014
How To Use Linear Regression In Fx-991ms
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Related Casio fx 991MS Manual Pages
User Guide - Page 1
E
http://world.casio.com/edu_e/ fx-95MS fx-100MS fx-115MS (fx-912MS) fx-570MS fx-991MS
User's Guide
kfx-912MS owners
Please be sure to read the important notice of this manual.
User Guide - Page 4
... to use the calculator for a long time (fx-95MS/100MS/570MS). • Use only the type of battery specified for this calculator in ...a safe place where it into the hands of small children and accidentally swallowed.
• Keep batteries out of the reach of small children. Caution
This symbol is used to direct heat or dispose of fire and personal injury.
• The displays...
User Guide - Page 5
... the use of these materials. Because of this, it might be liable to anyone for the fx-95MS/fx-100MS. A dead battery can cause slow display response, total failure of the display, and...the 5 key before using the calculator for the first time.
• Even if the calculator is operating normally, replace the battery at least once every three years for the fx115MS/fx-570MS/fx-991MS, or at least...
User Guide - Page 7
... Display Formats 10 kDecimal Point and Separator Symbols 11 k Initializing the Calculator 11
Basic Calculations 11
k Arithmetic Calculations 11 kFraction Operations 12 kPercentage Calculations 14 kDegrees, Minutes, Seconds Calculations 15 kFIX, SCI, RND 15
Memory Calculations 16
kAnswer Memory 16 kConsecutive Calculations 17 kIndependent Memory 17 k Variables 17
Scientific...
User Guide - Page 8
... and
Permutation/Combination 20 kAngle Unit Conversion 21
kCoordinate Conversion (Pol (x, y), Rec (r 21
kEngineering Notation Calculations 22
Equation Calculations 22
kQuadratic and Cubic Equations 22 kSimultaneous Equations 24
Statistical Calculations 26
Standard Deviation 26 Regression Calculations 28
Technical Information 32
kWhen you have a problem 32 kError Messages 32 kOrder of...
User Guide - Page 9
...
F F 1 EQN
7 fx-95MS Modes
To perform this type of calculation:
Perform this To enter key operation: this mode:
Basic arithmetic calculations F 1
COMP
Standard deviation
F 2
SD
Regression calculations
F 3
REG
Solution of other models should refer to view both the calculation formula and its result at the same time.
• The upper line shows the calculation formula. • The...
User Guide - Page 10
... from "_" to "k" to the initial defaults shown below, press A B 2(Mode) =. k Input Capacity
• The memory area used to change the calculator setup.
• In this manual, the name of the display. • Be sure to perform the calculations being described is taken up each time you press a number key or arithmetic operator key A A or...
User Guide - Page 13
... and setup, and clear replay memory and variables. sin -1.23 → S R D 1.23 T
11 fx-95MS:
1 r
Other Models: 1 r r
• Press the number key (1 or 2) that corresponds to
the setting you want to use the display setup (Disp) screen to perform basic calculations. COMP F 1 • Negative values inside of times until you want for the decimal...
User Guide - Page 14
...; 1.5҂10-8 3 - 5 e D 9 =
• Example 2: 5҂(9ѿ7) ҃ 80 5 - uDecimal ↔ Fraction Conversion
• Use the operation shown below to convert calculation results between decimal values and fraction values.
• Note that mix fraction and decimal values are displayed in decimal format automatically whenever the total number of digits of a fractional value (integer...
User Guide - Page 15
fx-95MS:
1
Other Models: 1 r
• Press the number key (1 or 2) that corresponds to use.
1(ab/c): Mixed fraction 2(d/c): Improper fraction
13 • Example 1: 2.75... B
1 2 3.00
• You can use the display setup (Disp) screen to specify the display format when a fraction calculation result is greater than one.
• To change the fraction display format, press the q key a number of...
User Guide - Page 20
... complete.
• Wait for the result to all of times until you want to perform basic arithmetic calculations. A B 1(Mcl) =
• Example: 193.2 Ö 23 ҃ 8.4
193.2 Ö 28 ҃ 6.9 193.2 A j 1 \ 23 = p 1 \ 28 =
Scientific Function Calculations
COMP
Use the F key to enter the COMP Mode when you reach the angle unit setup screen shown below.
User Guide - Page 22
...; 302 ҃ 1023
123 + 30 K =
• Example 5: 123 ҃ 1728
12 N * =
* A N in a group of fx-570MS/fx-991MS.
• Example 6: 1 ҃ 12
1 3
ȕ
1 4
R 3 a , 4 a T a =
• Example 7: 8! ...=
• Example 10: To determine how many different 4-digit
values can be produced using the numbers 1 through 7
• Numbers cannot be duplicated within the same 4-digit
value...
User Guide - Page 23
... fx-100MS/fx-115MS/fx-570MS/ fx-991MS.
k Angle Unit Conversion • Press A v to display the following menu. D R G
1 2 3
• Pressing 1, 2, or 3 converts the displayed value to the corresponding angle unit.
• Example: To convert 4.25 radians to degrees
q ..... 1(Deg)
4.25 A v 2(R) =
4 . 25r
243.5070629
k Coordinate Conversion (Pol (x, y), Rec (r, θ ))
• Calculation...
User Guide - Page 24
... 0.08125 grams to milligrams
→ 81.25 ҂10 -3 (mg)
0.08125 = J
Equation
EQN
Calculations
The EQN Mode lets you solve equations up to three degrees and simultaneous linear equations with up to solve an equation.
Element value 22 Use the F key to enter the EQN Mode when you want to three unknowns. EQN...
User Guide - Page 28
... statistical calculations using the key sequence shown below. tions noted nearby. SD F 2 (fx-95MS) F F 1 (Other Models)
• Always start data input with A B 1(Scl) = to calculate values for the following data : 55, 54, 51, 55, 53, 53, 54, 52
In the SD Mode:
A B 1 (Scl) = (Stat clear)
55 S n= SD
1. S
• Input data is indicated on the display...
User Guide - Page 30
... saving it in memory. Changing to another mode Changing the regression type (Lin, Log, Exp, Pwr, Inv, Quad)
Regression Calculations
REG
Use the F key to enter the REG Mode when you will be unable to display or edit individual data items any of regression you just input.
REG F 3 (fx-95MS) F F 2 (Other Models)
• Entering the REG Mode...
User Guide - Page 32
... correlation coefficient for linear regression is indicated on the display (n value).
15 P 1005 S
20 P1010 S 25 P 1011 S 30 P 1014 S
Regression Coefficient A = 997.4
A X r r 1 =
Regression Coefficient B = 0.56
A X r r 2 =
Correlation Coefficient r = 0.982607368
A X r r 3 =
Atmospheric Pressure at 1000 hPa.
Next, use variables. Finally, calculate the coefficient of expressions...
User Guide - Page 33
... for these types of regression.
• The following shows the regression formulas for each type of regression.
A X 1 - A X r 1 F \ E A U 3 , 1 F =
u Logarithmic, Exponential, Power, and Inverse Regression
• Use the same key operations as linear regression to de-
29
1.6 termine the regression formula terms
for the data nearby. Next, use the
50 23.5 regression formula to estimate...
User Guide - Page 37
... 120 → ex{In( 120)} • Other operations are performed first. • When a calculation contains an argument that the capacity of a stack is exceeded. • Matrix calculations use up to their precedence during calculations. * fx-100MS/fx-115MS/fx-570MS/fx-991MS only. ** fx-570MS/fx-991MS only. • Operations of the same precedence are performed from
right to right. •...
User Guide - Page 40
... Functions)."
Screw 2 Remove the six screws that battery power is low.
Continued use of other models should refer to turn power on the display of inflection, errors are cumulative and may become dim.
Power Supply (fx-95MS only)
Users of the calculator when the battery is powered by a single AA-size battery. Replace the...
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