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 josBen on June 28th, 2014
How To Calculate Regression Using Scientific Calculator Casio Fx-991 Ms
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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
...damage nearby items, and can create the risk of fire and personal injury.
• The displays and illustrations (such as key markings) shown in personal injury or material damage if ignored. ... into the calculator. • Remove the battery if you do not plan to use the calculator for a long time (fx-95MS/100MS/570MS). • Use only the type of battery specified for this calculator in this ...
User Guide - Page 5
... event shall CASIO Computer Co., Ltd. Very low temperatures can cause slow display response, total failure of the display, and shortening of battery life. Heat can cause discoloration or deformation of the calculator's case, and damage to and malfunction of the calculator. Handling Precautions
• Be sure to press the 5 key before using the calculator for the...
User Guide - Page 6
..., wipe it might be subjected to twisting or bending.
• Never try to take the calculator apart. • Never press the keys of humidity or dust.
• Avoid use thinner, benzene or other volatile agents to clean the calculator. culator. Doing so can remove printed markings and can damage internal circuitry.
• Never...
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
... information about modes and their selection. A separator symbol is displayed every three digits when the integer part of equations
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 the mantissa has more than three...
User Guide - Page 13
... selection screen. 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 initialize the calculation mode and setup, and clear replay memory and variables. COMP F 1 • Negative values inside of times until you
want to perform basic calculations. k Decimal Point...
User Guide - Page 15
...5 3.00
A B
1 2 3.00
• You can use the display setup (Disp) screen to use.
1(ab/c): Mixed fraction 2(d/c): Improper fraction
13
Disp
1
• Display the selection screen.
fx-95MS:
1
Other Models: 1 r
• Press the number key (1 or 2) that corresponds to
the setting you want to specify the display format when a fraction calculation result is greater than one.
• To...
User Guide - Page 20
...: 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 want to all of times until you want to appear on the display before starting the next calculation.
• π = 3.14159265359
k Trigonometric/Inverse Trigonometric Functions
• To change the default...
User Guide - Page 22
...9: 3π ҃ 9.424777961
3 A x =
• Example 10: To determine how many different 4-member groups can be produced using the numbers 1 through 7
• Numbers cannot be organized 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! ҃ 40320
8 A f =
• Example 8: To generate a random number between...
User Guide - Page 23
... the value of y.
• Example 2: To convert rectangular coordinates (1, 3) to display the following menu. * A n in the case of fx-100MS/fx-115MS/fx-570MS/
fx-991MS.
θ ҃ 1.047197551
0 o
• Press 0 n to display the value of r, or 0 o to display the value of fx-100MS/fx-115MS/fx-570MS/ fx-991MS.
k Angle Unit Conversion • Press A v to polar coordinates (r,...
User Guide - Page 24
...1 (fx-95MS) F F F 1 (Other Models)
k Quadratic and Cubic Equations
Quadratic Equation: ax2 + bx + c = 0 Cubic Equation: ax3 + bx2 + cx + d = 0 Entering the EQN Mode and pressing r displays the ...mg)
0.08125 = J
Equation
EQN
Calculations
The EQN Mode lets you
should scroll to
0.
Deg r ee?
2 3
Use this screen to solve an equation. view other elements. Use the F key to enter the EQN ...
User Guide - Page 28
..., 55, 53, 53, 54, 52
In the SD Mode:
A B 1 (Scl) = (Stat clear)
55 S n= SD
1.
Statistical
SD
Calculations
REG
Standard Deviation
SD
Use the F key to enter the SD Mode when you can recall using standard deviation.
SD F 2 (fx-95MS) F F 1 (Other Models)
• Always start data input with A B 1(Scl) = to clear statistical memory.
• Input...
User Guide - Page 30
... to display or edit individual data items any of regression you want to use.
1 (Lin) : Linear regression 2 (Log) : Logarithmic regression 3 (Exp) : Exponential regression r 1 (Pwr) : Power regression r 2 (Inv) : Inverse regression r 3 (Quad) : Quadratic regression
28 Changing to another mode Changing the regression type (Lin, Log, Exp, Pwr, Inv, Quad)
Regression Calculations
REG
Use the...
User Guide - Page 31
.... To recall this type of value: Perform this key operation:
A U r r 1 A U r r 2 A U r r 3 A X r r 3 A X r r r 1 A X r r r 2 A X r r r 3
29 P S
• The values produced by a regression calculation depend on the values input, and results can be recalled using the key sequence shown below .
• Always start data input with A B 1(Scl) = to recall results in the table below .
User Guide - Page 32
... the above tables can be used inside of expressions the same way you press S to register your input, the number of determination (r2) and sample
covariance
. Finally, calculate the coefficient of data input up to determine the regression formula terms and correlation coefficient for linear regression is indicated on the display (n value).
15 P 1005 S
20...
User Guide - Page 33
...value of y) for
103 46.4 xi = 16 and m (estimated value of x)
118 48.0 for each type of regression.
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. Temperature at 1000 hPa = 4.642857143
1000 A X r r r 1 =
Coefficient of...
User Guide - Page 37
... of a stack is exceeded. • Matrix calculations use up to left to their precedence during calculations.
exIn 120 → ex{In( 120)} • Other operations are performed from
right to two levels of the matrix stack. Squaring a matrix, cubing a matrix, or inverting a matrix uses one stack level. (fx-570MS, fx-991MS only)
• Example:
1
23
45
123...
User Guide - Page 40
... six screws. 6 Press 5 to the "User's Guide 2 (Additional Functions)." * For a single calculation, calculation error is ±1 at the 10th digit. (In the case of exponential display, calculation error is ±1 at the last significant digit.) Errors are cumulative and may become dim.
Continued use of the calculator when the battery is also true of internal consecutive...
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