Casio FX-991ES Support Question
Casio FX-991ES Support Question
Find answers below for this question about Casio FX-991ES.Need a Casio FX-991ES manual? We have 2 online manuals for this item!
Question posted by 2399mkonof on January 14th, 2014
How To Find The Probability Of A Standard Normal Distribution Using Scientific
calculator
Current Answers
Related Casio FX-991ES Manual Pages
User Guide - Page 4
... shows an example of the actual key operation you see the symbol Appendix in calculator memory.
19(CLR)3(All)=(Yes)
• For information about calculation modes and setup settings, see "Calculation Modes and Calculator Setup".
• For information about memory, see "Using Calculator Memory".
be liable for the angle unit. In this User's Guide and the...
User Guide - Page 5
... expose the battery to direct heat or dispose of it by burning it in
this calculator in a safe place where it will not get into the
calculator. • Use only the type of fire and personal injury.
• Always make sure that can cause certain components to suddenly burst, creating the risk of...
User Guide - Page 6
... it might be subjected to twisting or bending.
• Never try to take the calculator apart. • Never press the keys of all excess liquid before using the calculator for the first time.
• Even if the calculator is operating normally, replace the battery at least once every three years. E-4 Such conditions can cause discoloration...
User Guide - Page 7
... e while the mode menu (which appears when you want, press A.
• You can also adjust contrast using the calculator, slide its hard case downwards to remove it probably means that battery power is on the calculator. • Press 1A(OFF) to turn on the display. k Turning Power On and Off
• Press O to turn...
User Guide - Page 9
... may show only the above indicators (without any value) while it performs the calculation internally.
k Configuring the Calculator Setup
Pressing 1N(SETUP) displays the setup menu, which you can use to control how the calculations are executed and displayed. Calculation Modes and Calculator Setup
k Calculation Modes
When you want to select. • To select the CMPLX Mode...
User Guide - Page 12
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 Format Statistical Display Decimal Point
Is initialized to this: COMP MthIO Deg ...
User Guide - Page 14
... default for more information. • The calculator automatically changes to the overwrite mode.
The procedure you should use the insert mode. You can switch to ...the overwrite mode by pressing 1Y(INS). • With Math format, you are
10 or fewer bytes of input remaining in the current expression, the
cursor changes shape to Math. • Normally...
User Guide - Page 34
... unit required by pressing A.
The functions available to you depends on the calculation mode you want to use π and e in the same modes as the calculator's default angle unit. The explanations in all calculation modes. They can use .
Before performing a calculation, be used in the CMPLX Mode, as long as complex numbers are available in this...
User Guide - Page 39
... Coordinates (Rec)
Polar Coordinates (Pol)
• Coordinate conversion can obtain the sum 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
to Y.
E-37
Converting to Rectangular Coordinates (Rec)
Rec(r,θ) r : Specifies...
User Guide - Page 42
... transformation can be used to transform a displayed decimal calculation result to one of the following equation are
equal:
Σ e
∞
=
n = 0
1 n! k Using Engineering Notation
A simple...k Using S-D Transformation
You can use S-D transformation to transform between its decimal (D) form and its standard (S) form (fraction, π). E-40 Transforming Displayed Values
You can use the ...
User Guide - Page 43
... cannot be converted to decimal form by pressing the f key.
You cannot specify the standard form.
When the original calculation result is limited to inverse trigonometric function results and values that are normally expressed in radians.
• After obtaining a calculation result in decimal form, it to ' form.
Example: Fraction → Decimal
MATH
Math
'5c6...
User Guide - Page 49
...
Pressing the A key while the STAT editor screen is on whether the currently selected statistical operation type uses a single variable or paired variables. k Using the STAT Menu
While the STAT editor screen or STAT calculation screen is displayed switches to display the STAT menu.
The content to the STAT menu depends on the...
User Guide - Page 50
... selected. See Appendix for information about the calculation
formula used for each command.
Paired-variable Menu Item
Select this menu item: When you want to do this:
7Distr
Display the Distr sub-menu of commands for normal distribution calculations • For more information, see "Commands when Linear
Regression Calculation (A+BX) Is Selected" and "Commands when Quadratic...
User Guide - Page 51
...produces
the probabilities shown below , using insert and delete:
{0, 1, 2, 3, 4, 5, 6, 7, 9, 10}
(FREQ: ON)
Edit the FREQ data to calculate the probability of
the sample data.
Distribution probability that is a value less than the
normalized variate when the sample value is 3 (P value for
normalized variate when X = 7)
E-49 Performing standard normal distribution approximation on...
User Guide - Page 52
...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
... of the Y-data
E-50 Commands when Linear Regression Calculation (A+BX) Is Selected With linear regression, regression is selected as the statistical calculation type. y = A + BX
The following are...
User Guide - Page 53
...Calculation: 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...sums), Var sub-menu (number of y
Appendix Linear Regression Calculation: to
• Examples through all use the data input in accordance with the following model equation. y =...
User Guide - Page 66
...: molar volume of ideal gas; 27: molar gas constant; 28: speed of light in scientific calculations. Copy VctA = (1, 2) to VctB and then edit Vector B to recall. VctA + VctB (Vector Addition) 3 × VctA (Vector Scalar Multiplication)
VctB - 3 × VctA (Calculation example using VctAns) VctA • VctB (Vector Dot Product) VctA × VctB (Vector Cross Product...
User Guide - Page 67
...
811 (1995)". * "cal" uses the NIST value at 15°C. • The values are performed from one unit to Perform all of these examples in any calculation mode except for a list of all of the metric conversion commands and conversion formulas. • Conversion formula data is based on ISO Standards (1992) and CODATA...
User Guide - Page 68
...which is omitted: Multiplication sign omitted immediately before π, e, variables, scientific constants (2π, 5A, πA, 3mp, 2i, etc.), functions with parentheses (2'(3), Asin(30), etc.) 9. Example: 1/2i= 1/(2i)=
1 ÷ 2i = 1 i
2 1 ÷ (2i) = -
1
i
2
k Stack Limitations
This calculator uses memory areas called stacks to input: (-2)2. Multiplication and division: ×...
User Guide - Page 73
... figures when available lighting is dim or failure of the calculator...
Normally, calculators equipped with G13 type button battery (LR44).
Note that you will
cause the calculator to perform a routine that you are using the correct mode for the type of these steps. (1) Check the calculation expression to make separate copies of important data before performing...
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