Casio FX-991ES Support Question
Casio FX-991ES Support Question
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Question posted by alaH0ney on April 6th, 2014
How To Input Data For Standard Deviation In Fx-991es Calculator
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Related Casio FX-991ES Manual Pages
User Guide - Page 8
...
$`
Disp
Means this indicator will be replayed, or there is standing by pressing the 1 key. Math style is in effect. Calculation history memory data is radians. The calculator is selected as the input/output format. The default angle unit is available and can be exited and this :
The keypad has been shifted by for...
User Guide - Page 12
...(, ∫(, d/dx(, Σ(, P(, Q(, R(, arg(, Conjg(, Not(, Neg(, det(, Trn(, Rnd(
E-10 Inputting Expressions and Values
k Inputting a Calculation Expression Using Standard Format
Your calculator lets you input calculation expressions just as shown below.
19(CLR)1(Setup)=(Yes)
This setting: Calculation Mode Input/Output Format Angle Unit Display Digits Fraction Display Format Complex Number...
User Guide - Page 13
...at a time.
This will cause the ' indicator to appear to 99 bytes of data for a single expression.
Note, however, that when you are inputting functions with parenthesis: 2 × sin(30), 2 × '(3), etc. &#...
LINE
s30)=
Pressing s inputs "sin(".
• Note that the input procedure is different if you want to 14 characters at the end of a calculation, immediately before the = key...
User Guide - Page 27
...data in Answer Memory.
Answer Memory can hold up to or subtracted from Answer Memory if you change the calculation mode, or turn off the calculator.
• If a CMPLX Mode calculation...). Using Answer Memory to Perform a Series of Calculations
Example: To divide the result of 3 × 4 by 30
LINE
3*4=
(Continuing)/30=
Pressing / automatically inputs "Ans" command.
• With the above ...
User Guide - Page 44
... Numbers
• In the CMPLX Mode, the W key changes function to input 2 + 3i, for argument θ input and result display is referred to as the i key. Examples of the format a + bi.
Complex Number Calculations
(CMPLX)
Your calculator can perform the following complex number calculations. • Addition, subtraction, multiplication, division • Argument and absolute value...
User Guide - Page 46
...Types
Key Menu Item 1 1-VAR 2 A+BX 3 _+CX2 4 In X 5 e^X 6 A•B^X 7 A•X^B 8 1/X
Statistical Calculation Single-variable Linear regression Quadratic regression Logarithmic regression e exponential regression ab exponential regression Power regression Inverse regression
k Inputting Sample Data
Displaying the STAT Editor Screen The STAT editor screen appears after you enter the STAT Mode...
User Guide - Page 47
... calculation you turn on the Statistical Display item on the calculator's setup screen, a column labeled "FREQ" will also be included on the STAT Editor Screen • Data you input ...its digits in the COMP Mode with Linear format. • Pressing A while inputting data clears your current input. • After inputting a value, press =. E-45
STAT
=
Registering a value causes the cursor...
User Guide - Page 48
..., move the cursor to the line that will
be shown or hidden) on the Statistical Display setting of the existing data. You cannot edit parts of the calculator's setup screen.
STAT Editor Screen Input Precautions • The number of lines in a Cell (1) On the STAT editor screen, move the cursor to the cell...
User Guide - Page 49
... The content to the STAT calculation screen.
Note
• Note that you input with the data you can perform the procedures ...calculation screen is for performing statistical calculations with the STAT editor screen. Display the MinMax sub-menu of commands for calculating the mean, standard deviation, etc. The STAT calculation screen also uses Linear format, regardless of the current input...
User Guide - Page 50
... Mean of the sample data Population standard deviation Sample standard deviation
MinMax Sub-menu (11(STAT)6(MinMax))
Select this menu item: 1minX 2maxX
When you select 4(Sum), 5(Var), 6(MinMax), or 7(Distr) on the sub-menus that appear when you want to obtain this:
Minimum value Maximum value
E-48
Single-variable (1-VAR) Statistical Calculation Commands The following...
User Guide - Page 51
... when the sample value is calculated with the expression shown below .
Calculate minimum value and maximum value. Performing standard normal distribution approximation on the STAT editor
screen. Calculate number of samples, mean value (o) and population standard deviation value (xσn) obtained from the data input on
the input sample data (from Example ) produces
the probabilities...
User Guide - Page 52
...of samples Mean of the X-data Population standard deviation of the X-data Sample standard deviation of the X-data Mean of the Y-data Population standard deviation of the Y-data Sample standard deviation of the Y-data
MinMax Sub-menu (11(... information about the calculation
formula used for each command. Commands when Linear Regression Calculation (A+BX) Is Selected With linear regression, regression...
User Guide - Page 53
... used for linear regression calculations. Reg Sub-menu (11(STAT)7(Reg))
Select this menu item: 1A 2B
3C
4m1 5m2 6n
When you want to obtain this :
1A
Regression coefficient constant term A
2B
Regression coefficient B
3r 4m 5n
Correlation coefficient r Estimated value of x Estimated value of samples, mean, standard deviation), and MinMax sub...
User Guide - Page 54
...BASE-N Mode lets you perform arithmetic calculations, negative value calculations, and logical operations with binary, octal, decimal, and hexadecimal values. Compare the correlation coefficient for Other Types of Regression For details about the calculation formula of Regression Curves • The following example uses the data input in Example . E-52
All calculations in this section are...
User Guide - Page 58
... COMP Mode with Linear format. • Pressing A while inputting data clears your current input. • After inputting data, press =.This registers the value and displays up to the cell and then input the new data.
The coefficient editor screen shows input cells for the STAT editor screen.
Coefficient Editor Screen Input Precautions Coefficient editor screen precautions are the same...
User Guide - Page 60
... A while the matrix selection screen or matrix editor screen is subject to the matrix calculation screen.
To specify this destination: Matrix A Matrix B Matrix C
Press this procedure from step (1). For more information, see "Rules for Inputting and Editing Coefficients". • If you want to use. • Pressing a number key to specify the matrix...
User Guide - Page 61
...data on the matrix editor screen
3MatA Input "MatA"
4MatB Input "MatB"
5MatC Input "MatC"
6MatAns Input "MatAns"
7det
Input the "det(" function for obtaining the determinant
8Trn
Input the "Trn(" function for obtaining a transposed data in Matrix
Appendix
21
1 0 -1
Input...(like + or -) and use the matrices input in a subsequent calculation, just as with Answer Memory contents. k ...
User Guide - Page 65
...vector (VctA, VctB, VctC) and display its data on the vector editor screen
3VctA Input "VctA"
4VctB Input "VctB"
5VctC Input "VctC"
6VctAns Input "VctAns"
7Dot
Input the " • " command for obtaining the... or of the last vector calculation.
For more information. k Performing Vector Calculations
To perform a vector calculation, display the vector calculation screen by pressing the A key...
User Guide - Page 66
... acceleration of gravity; 36: conductance quantum; 37: characteristic impedance of vacuum; 38: Celsius temperature; 39: Newtonian constant of gravitation; 40: standard atmosphere
E-64 You can use the vectors input in scientific calculations. This displays
the scientific constant menu. When you want to both A and B.
*1 cos θ = (A•B) , which becomes θ = cos-1 (A•...
User Guide - Page 67
... and conversion formulas. • Conversion formula data is based on ISO Standards (1992) and CODATA Recommended Values (1998). To recall a metric conversion command, press 18(CONV). Input the two-digit number that corresponds to the metric conversion you want to Perform all of these examples in any calculation mode except for each individual command...
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