Casio FX-991ES Support Question
Casio FX-991ES Support Question
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Question posted by temaalxsnt on July 24th, 2014
How To Calculate Standard Deviation Using Fx-991es Of Classed Data
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
...notice. • In no event shall CASIO Computer Co., Ltd.
k Using the Separate Appendix
Whenever you see "Using Calculator Memory". Example numbers (like "") in this User's Guide. Rad : Specify... also clears all data currently in calculator memory.
19(CLR)3(All)=(Yes)
• For information about calculation modes and setup settings, see "Calculation Modes and Calculator Setup".
•...
User Guide - Page 6
... at least once every three years. Handling Precautions
• Be sure to press the O key before wiping the calculator. Wring out all important data.
• Avoid use and storage of your trousers or other volatile agents to clean the calculator. Doing so can remove printed markings and can cause discoloration or deformation of the...
User Guide - Page 12
... 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 , it .The calculator automatically judges the calculation priority sequence for addition, subtraction, multiplication, and division, functions, and parentheses. k Initializing the...
User Guide - Page 13
... characters at the end of a calculation, immediately before the = key is pressed. For more information, see "Inputting with Math format, each key operation uses up one or more closed parentheses ...to shift to the left of the expression, indicating that it runs off the left side of data for a single expression.
Input expression: 1111 + 2222 + 3333 + 444
Math
Displayed portion:...
User Guide - Page 25
Example: To create a multi-statement that performs the following types of sexagesimal calculations
produces a sexagesimal result. - Using Multi-statements in Calculations
You can use the colon character (:) to connect two or more expressions and execute them in sequence from left to its sexagesimal equivalent.
Addition or subtraction of two ...
User Guide - Page 27
... data in Answer Memory. Variables
Six variables named A, B, C, D, X, and Y can be used for storage of the following keys: =, 1=, m, 1m(M -), t, 1t(STO). k Answer Memory (Ans)
Answer Memory Overview
• Answer Memory contents are updated whenever you need to 15 digits.
• Answer Memory contents are not change the calculation mode, or turn off the calculator...
User Guide - Page 30
... expression on the right of the equals sign (input using Ss(=)) can contain variables.
k Expressions Supported by CALC
The following describes the types of expressions that can use CALC in the COMP Mode (N1) and in the CMPLX Mode (N2).
Example: Y = 2X, A = X2 + X + 3
k Example Calculation Using CALC
To start a CALC operation after inputting an...
User Guide - Page 36
... COMP Mode only. • The integration result will be negative when f(x) < 0 within f(x), a, b, or tol. • Integration calculations can be used in the integration interval, or the interval. • Pressing A will interrupt an ongoing integration calculation. Specify a tol value that conforms with a < x < b.
k Power Functions and Power Root Functions
• Power functions and power...
User Guide - Page 39
...the range of -180° < θ < 180°. • Calculation result θ is displayed using the following formula.
Σ( f(x), a, b) = f(a) + f(a + 1) + .... + f(b)
f(x): Function of an input f(x) expression for a specific range. Σ calculations are performed using the calculator's default angle
unit.
• Calculation result r is assigned to variable X, while θ is assigned...
User Guide - Page 40
... as the trigonometric functions. Factorial (!) This function obtains the factorials of a value that the values shown here are converted to perform permutation and combination calculations.
n and r must be used in the range of 0 < r < n < 1 × 1010.
Permutation (nPr) and Combination (nCr)
These functions make it possible to 3-digit integer values by multiplying by...
User Guide - Page 42
...transformation to one of the following equation are
equal:
Σ e
∞
=
n = 0
1 n! Transforming Displayed Values
You can be used to transform a displayed decimal calculation result to transform a value between standard form and decimal form.
Transform the value 123 to engineering notation, shifting the decimal point to the original decimal value. Performing S-D transformation...
User Guide - Page 43
...π:
The following are the π forms that are normally expressed in radians.
• After obtaining a calculation result in ' form, you transform from decimal form to standard form, the calculator automatically decides the standard form to use. Examples of S-D Transformation Note that are supported. Fraction: The current fraction display format setting determines
whether the result...
User Guide - Page 46
... Value
*2 Argument
Statistical Calculation (STAT)
All calculations in this section are performed in the STAT Mode (N3). To display the STAT editor screen from another STAT Mode screen, press 11(STAT)2(Data).
k Absolute Value and Argument (Abs, arg)
You can use the following procedure to select a statistical calculation type. Selecting a Statistical Calculation Type In the STAT...
User Guide - Page 49
..., standard deviation, etc. Note
• Note that you can perform the procedures under "Inserting a Line" and "Deleting All STAT Editor Contents" only when the STAT editor screen is displayed switches to do this menu item: 1Type 2Data 3Edit
4Sum
5Var
6MinMax
When you input with the data you want to the STAT calculation screen...
User Guide - Page 50
...), 6(MinMax), or 7(Distr) on the STAT menu while a single-variable statistical calculation type is selected. Paired-variable Menu Item
Select this menu item: When you want to do this:
7Reg
Display the Reg sub-menu of the sample data Population standard deviation Sample standard deviation
MinMax Sub-menu (11(STAT)6(MinMax))
Select this menu item: 1minX...
User Guide - Page 51
... and delete:
{0, 1, 2, 3, 4, 5, 6, 7, 9, 10}
(FREQ: ON)
Edit the FREQ data to the following , using the mean , and population
standard deviation. Normalized variate t is 7 (R value for
normalized variate when X = 3)
Distribution probability that is a value less than the
normalized variate when the sample value is calculated with the expression shown below .
Distr Sub-menu (11...
User Guide - Page 52
... this:
1n 2o 3xσn 4xσn-1 5p 6yσn 7yσn-1
Number 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(STAT)6(MinMax))
Select this menu item: When you select 4(Sum), 5(Var), 6(MinMax), or...
User Guide - Page 53
... 4m 5n
Correlation coefficient r Estimated value of x Estimated value of samples, mean, standard deviation), and MinMax sub-menu (maximum value, minimum value) operations are the same those for each command. Appendix Quadratic Regression Calculation: to • Examples through all use the data input in Example .
*1 Estimated Value (y = -3 → m = ?) *2 Estimated Value (x = 2 →...
User Guide - Page 66
... constant; 34: magnetic flux quantum; 35: standard acceleration of gravity; 36: conductance quantum; 37: characteristic impedance of vacuum; 38: Celsius temperature; 39: Newtonian constant of light in scientific calculations. VctA + VctB (Vector Addition) 3 × VctA (Vector Scalar Multiplication)
VctB - 3 × VctA (Calculation example using VctAns) VctA • VctB (Vector Dot Product...
User Guide - Page 67
...8226; Conversion formula data is based on ISO Standards (1992) and CODATA Recommended Values (1998).
Metric Conversion
The calculator's built-in any calculation mode except for BASE...Calculation Priority Sequence
The calculator performs calculations according to a calculation priority sequence. • Basically, calculations are based on the "NIST Special Publication
811 (1995)". * "cal" uses...
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