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 jasmineca on September 17th, 2012
Regression For Linear
How I can input x and Y values to get y=ax+b
Current Answers
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
... time (fx-95MS/100MS/570MS). • Use only the type of small children.
Keep this calculator. Doing so can cause certain components to suddenly burst, creating the risk of the calculator by incineration...do not plan to become shorted. Disposing of the Calculator
• Never dispose of fire and personal injury.
• The displays and illustrations (such as key markings) shown in...
User Guide - Page 5
... Precautions
• Be sure to press 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 once every two years for any claim of any other party. be...
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
... for information about modes and their selection. 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 digits. Two-line Display
The two-line display makes it possible to the "User's Guide...
User Guide - Page 10
... the mode you press a number key or arithmetic operator key A A or p key operation does not take up a step, so inputting A D, for a single calculation. k Input Capacity
• The memory area used to input more than twice displays additional setup screens. Setup screens are described in the sections of this manual where they are actually used for...
User Guide - Page 13
.... • To change the decimal point and separator symbol set- Disp
1
• Display the selection screen.
COMP F 1 • Negative values inside of times until you want to use the display setup (Disp) screen to perform basic calculations. 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...
User Guide - Page 14
...; You can take as long as two seconds to enclose a negative exponent within parentheses. k Fraction Operations uFraction Calculations
• Values are displayed in decimal format automatically whenever the total number of digits of a fractional value (integer + numerator + denominator + separator marks) exceeds 10.
• Example 1: 2 ѿ 1 ҃ 13 3 5 15 2 C 3 + 1 C 5 =
13 15.00...
User Guide - Page 15
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 change the fraction display format, press the q key a number of times until you reach the setup screen shown...
User Guide - Page 20
...to all of times until you want to clear the values assigned to appear on the display before starting the next calculation.
• π = 3.14159265359
k Trigonometric/Inverse ...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 ...
User Guide - Page 22
...+ 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! ҃ 40320
8 A f =
• Example 8: To generate a random number between
0.000 and 0.999
A M =
0.66400
(The above value is a sample only. Results differ each time.)
• Example 9: 3π ҃...
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 = 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. Use the F key to enter the EQN Mode when you
should scroll to specify 2 (quadratic) or 3 (cubic) as the degree of the equation, and input values for each of...
User Guide - Page 28
... the key sequence shown below. To recall this type of data input up to that point is used to clear statistical memory.
• Input data using standard deviation.
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...
User Guide - Page 29
...
data frequency (Freq).
• You can delete a data value displayed using A G to specify the data frequency (number of data items) as it to be able to input any order,
and not necessarily that if you
want to perform some other operation (calculation, recall
of statistical calculation results, etc.), you should always press the t key first...
User Guide - Page 30
... you just input, without registering the value you want to perform statistical calculations using regression. Press 1 if you want to register the value 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 REG F 3 (fx-95MS) F F 2 (Other...
User Guide - Page 32
...176;C = 1007.48
18 A X r r r 2 =
30 u Linear Regression • The regression formula for the data nearby. In the REG Mode:
1(Lin)
A B 1 (Scl) = (Stat clear)
REG
10 P1003 S n=
1.
Each time you use the regression formula to determine the regression formula terms and correlation coefficient for linear regression is indicated on the display (n value).
15 P 1005 S
20 P1010 S 25 P 1011...
User Guide - Page 37
... memory areas, called "stacks," to temporarily store values (numeric stack) and commands (command stack) according to perform a calculation that is so complex that is
a negative number, the negative number must be enclosed within parentheses. 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
... is powered by a single AA-size battery.
Power Supply (fx-95MS only)
Users of other models should refer to become dim. Replacing the Battery Dim figures on . * 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...
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