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 hammath on January 16th, 2015
Poission Distribution
how to calculate poission distribution using casio fx-991ex plus (please give step change key )
Current Answers
Answer #1: Posted by LuxuriKnows on January 17th, 2015 12:24 AM
LuxuriKnows
Member since:
March 25th, 2013 Points: 495,290
Member since:
March 25th, 2013 Points: 495,290
Hello,
see manual here includes diagrams and direct info on how to use functions/keys . .step by step.
manual : here also : page 48
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
... Calculator Setup".
• For information about memory, see the symbol Appendix in connection with or arising out of the purchase or use of this product and the items that this manual are subject to change without notice. • In no event shall CASIO Computer Co., Ltd.
REPLAY
• The displays and illustrations (such as key...
User Guide - Page 5
... of small children and accidentally swallowed.
• Keep batteries out of the reach of small children. Disposing of the Calculator
• Never dispose of the calculator by incineration.
• Improperly using this manual handy for this calculator in
this manual. E-3
Doing so can result in a safe place where it will not get into the...
User Guide - Page 6
... life.
• Low battery power can damage the case. Handling Precautions
• Be sure to press the O key before wiping the calculator. Never leave a dead battery in areas subjected to temperature extremes. Never use thinner, benzene or other pointed object. • Use a soft, dry cloth to strong impact.
• Never twist or bend the...
User Guide - Page 7
... setting is the way you want, press A.
• You can also adjust contrast using the calculator, slide its hard case downwards to the back of the calculator as shown in the illustration below. Before Using the Calculator
k Removing the Hard Case
Before using d and e while the mode menu (which appears when you press N) is on the...
User Guide - Page 8
...
$`
Disp
Means this:
The keypad has been shifted by pressing the S key. This indicator appears after you press t. The calculator is standing by for input of significant digits is standing by for input of...variable name to the variable. The calculator is available and can be exited and this indicator will disappear when you press a key. Calculation history memory data is in the ...
User Guide - Page 9
... menu has two screens, which you can jump between using c and f.
Important!
• For a very complex calculation or some other type of calculation that corresponds to the mode you want to perform this mode:
COMP CMPLX
STAT
BASE-N
EQN MATRIX
TABLE
VECTOR
(2) Press the number key that takes a long time to execute, the display...
User Guide - Page 10
Calculation results are rounded off to 10) controls the number of Significant Digits
Exponential Display Range
Perform this key operation: 1N1(MthIO) 1N2(LineIO)
• Math format causes fractions, irrational numbers, and other expressions to use "]CONT'". Example: 1 ÷ 7 = 1.4286 × 10-1 (Sci5) 1.429 × 10-1 (Sci4) E-8 • See "Adjusting Display Contrast" for ...
User Guide - Page 11
... this key operation:
1Nc1(ab/c) 1Nc2(d/c)
Specifying the Complex Number Display Format
To specify this complex Perform this key operation:
1Nc5(Disp)1(Dot) 1Nc5(Disp)2(Comma)
• The setting you configure here is always a dot ( ). The decimal point for input values is applied for calculation results
.
Outside the specified range, results are displayed using...
User Guide - Page 12
...det(, Trn(, Rnd(
E-10 Next, 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. Inputting Expressions and Values
k Inputting a Calculation Expression Using Standard Format
Your calculator lets you need to input the argument and the...
User Guide - Page 25
...˝ + 39´30˝ = 3°00´00˝ Converting Values between Sexagesimal and Decimal Pressing e while a calculation result is an intermediate result of two sexagesimal values - 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...
User Guide - Page 26
... pressing A first. Using Calculation History Memory and Replay
Calculation history memory maintains a record of each calculation expression you are performing causes calculation history memory to become full, the oldest calculation is limited.
Replay Function While a calculation result is on the display, you turn off the calculator, press the O key, change to the calculation mode or the...
User Guide - Page 30
Example: Y = 2X, A = X2 + X + 3
k Example Calculation Using CALC
To start a CALC operation after inputting an expression, press the s key. You can contain variables. u Expressions that contain variables Example: 2X + 3Y, 5B + 3i, 2AX + 3BY + C
u Multi-statements Example: X + Y : X (X + Y)
u Expressions with CALC.
Example: LINE
3*Sy(A)
s
Prompts ...
User Guide - Page 36
... can omit specification of 1 × 10-5 is specified. E-34
Specify a tol value that conforms with a < x < b. Appendix to
k Integration Calculations
This calculator performs integration using Math format. • There may be large error in obtained integration values and errors may occur due to take considerable time to complete. • A smaller ...
User Guide - Page 39
..., in the range of -1 × 1010 < a < b < 1 × 1010.
• The calculation step is fixed at 1. • ∫(, d/dx(, Pol(, Rec(, and Σ( cannot be performed in 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 X (All non-X variables are...
User Guide - Page 40
...( functions can be integers in the range of a stand-alone operation, the calculation is performed using only the first value (either the r-value or the X-value) produced by your calculator will be used in the CMPLX Mode.
n and r must be used in complex number calculations in the same modes as the trigonometric functions. E-38 Factorial (!) This...
User Guide - Page 49
... is displayed switches to the STAT menu depends on the STAT editor screen. The STAT calculation screen also uses Linear format, regardless of the current input/output format setting on the display. Pressing the A key while the STAT editor screen is on the display, press 11(STAT) to do this menu item: 1Type...
User Guide - Page 50
...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
... the sample data and sum of standard normal
distribution. Calculate minimum value and maximum value. Distribution probability that is a value greater than the
normalized variate when the sample value is 3 (P value for
normalized variate when X = 7)
E-49 Distr Sub-menu (11(STAT)7(Distr))
1 P( 2 Q( 3 R( 4 't
This menu can be used to calculate the probability of
the sample data.
User Guide - Page 63
... Only variable X can specify either values or calculation expressions (which
must produce a numeric result) for Start, End, and Step.
• Specifying an End value that the... cannot be changed. (4) After specifying the start , end, and step values, see "Start, End, and Step Value Rules". (6) After specifying the step value, press =.
• Pressing the A key returns to be used for a ...
User Guide - Page 66
... 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) Obtain...39: Newtonian constant of gravitation; 40: standard atmosphere
E-64 You can use the vectors input in any calculation mode except for BASE-N. • To recall a scientific constant, ...
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