Casio FX-991ES Support Question
Casio FX-991ES Support Question
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Question posted by sheyshepp on February 19th, 2014
How To Calculate All Normal Distribution Questions Casio Calculator
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
... four arrows, indicating direction, as f, c, d, and e. Note that come with it means you should refer to anyone for the angle unit.
Moreover, CASIO Computer Co., Ltd.
Initializing the Calculator
Perform the following shows an example of this manual are for illustrative purposes only, and may differ somewhat from the actual items they...
User Guide - Page 5
... swallowed.
• Keep batteries out of the reach of battery specified for later reference.
Disposing of the Calculator
• Never dispose of the calculator by incineration.
• Improperly using this manual handy for this calculator in personal injury or material damage if ignored.
Caution
This symbol is used to become shorted. If accidentally...
User Guide - Page 6
... moistened in areas subjected to large amounts 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. Avoid carrying the calculator in direct sunlight, near a window, near a heater or anywhere else it might be subjected...
User Guide - Page 7
... contrast does not improve display readability, it , and then affix the hard case to the back of the calculator as shown in the illustration below.
Use d and e to adjust display contrast. E-5 Before Using the Calculator
k Removing the Hard Case
Before using d and e while the mode menu (which appears when you want, press...
User Guide - Page 8
...above/below the current screen. A fixed number of decimal places is in the VECTOR Mode. Calculation history memory data is available and can be exited and this indicator will disappear when you ...The alpha input mode will disappear when you press a key. The calculator is selected as the input/output format. The calculator is in effect. Math style is in the MATRIX Mode. This ...
User Guide - Page 9
...
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, for example, press 2.
The setup menu has two screens, which you can jump ...
User Guide - Page 10
...Example: 1 ÷ 7 = 1.4286 × 10-1 (Sci5) 1.429 × 10-1 (Sci4) E-8 Calculation results are written on paper.
• Linear format causes fractions and other expressions to be displayed as the default
angle ...Perform this key operation: 1N6(Fix)0-9 1N7(Sci)0-9 1N8(Norm)1(Norm1) or 2(Norm2)
Calculation Result Display Examples • Fix: The value you specify (from 0 to 9) controls...
User Guide - Page 11
... will be displayed in nonexponential format.
• Norm: Selecting one of the STAT Mode STAT editor screen on or off. only. The decimal point for calculation results
. E-9
User Guide - Page 12
...(, Rnd(
E-10 Example: 2 (5 + 4) - 2 × (-3) =
LINE
2(5+4)2*y3=
Inputting a Function with Parenthesis
When you input any of the functions 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 13
.... Displaying a Long Expression The display can input up one byte.
Note, however, that when you input uses up to 14 characters at the end of a calculation, immediately before the = key is different if you can omit one byte.
Input expression: 1111 + 2222 + 3333 + 444
Math
Displayed portion:
Cursor
• When the...
User Guide - Page 14
... Normally the input cursor appears as the input mode.
The cursor is a horizontal flashing line ( ) when the overwrite mode is selected. • The initial default for more information. • The calculator ...mode, any new character you input replaces the character at a convenient point and
calculate the result. Pressing 1Y(INS) when the Math format is selected does not switch...
User Guide - Page 15
... correct the expression 369 × × 12 so it becomes
369 × 12 LINE Insert Mode:
369**12
dd
Y Overwrite Mode:
369**12
ddd
Y
Correcting a Calculation Example: To correct cos(60) so it becomes sin(60) LINE Insert Mode:
c60)
dddY
s Overwrite Mode:
c60)
dddd
s Inserting Input into...
User Guide - Page 16
...then make necessary corrections. If this happens, divide the calculation into multiple parts and calculate each part separately. The maximum allowable height of a calculation formula is causing the error. E-14 Example: When you...LINE
14/0*2=
Press e or d. d1
=
You can cause the height of a calculation formula to be greater than one display line.
k Inputting with Math Format
When inputting ...
User Guide - Page 17
... Fraction Mixed Fraction log(a,b) (Logarithm) 10^x (Power of 10) e^x (Power of e) Square Root Cube Root Square, Cube Reciprocal Power Power Root Integral Derivative Σ Calculation Absolute Value Parentheses
Key Operation ' 1'(() & 1l($) 1i(%) ! 1!(#) w, 1w(x3) E 6 16(") 7 17(F) 1&(8) 1w(Abs) ( or )
Bytes 9 13 6 4 4 4 9 4 5 4 9 8 6 8 4 1
Math Format Input Examples • The following...
User Guide - Page 18
... Expression:
Function Key Operation Resulting Expression
Fraction
'
log(a,b) Power Root
& 16(")
E-16
Example 3: To input (1 + 2 )2 × 2 =
5
MATH
Math
(1+'2c5e)
w*2=
• When you press = and obtain a calculation result using Math format, you can incorporate part of an input expression (a value, an expression within parentheses, etc.) into the function specified here.
User Guide - Page 43
...fraction or mixed
fraction.
π:
The following are the π forms that are normally expressed in radians.
• After obtaining a calculation result in the case of Math format.
nπ (n is an integer.)
d...true only in ' form, you transform from decimal form to standard form, the calculator automatically decides the standard form to decimal form by pressing the f key. Note
...
User Guide - Page 50
... 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 Regression Calculation (_+CX2) Is Selected". See Appendix for information about the calculation
formula used for each command. Single-variable Menu Item
Select this menu...
User Guide - Page 51
...of squares of the sample data and sum of standard normal
distribution.
Distribution probability that is a value greater than the
normalized variate when the sample value is calculated with the expression shown below .
Standard Normal Distribution
P (t)
Q (t)
R (t)
0 t
0 t
0 t
Appendix Single-variable Statistical Calculation
Select single-variable (1-VAR) and input the following...
User Guide - Page 67
... by values, powers, power roots: x2, x3, x-1, x r, g, ^(, x'( Normalized variate: ' t Percent: %
E-65 For details, see Appendix . You can use...calculator's built-in any calculation mode except for each individual command. 1. Technical Information
k Calculation Priority Sequence
The calculator performs calculations according to a calculation priority sequence. • Basically, calculations...
User Guide - Page 73
... WAY POWER system, however, lets you should make sure that checks whether calculation functions are operating correctly.
If the calculator discovers any abnormality, it does not contain any of calculation you
are not what you will
cause the calculator to read the display. Normally, calculators equipped with G13 type button battery (LR44). Note that button battery...
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