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Most Recent Casio FX-991ES Questions
How To Calculate Indefinite Integration Using 991ms Calculator
(Posted by nikhilbetavalli0 7 months ago)
How Do I Store Values From Another Mode?
I cannot store values in my calculator from specifically mode 5 equation 3, do i store the answers t...
I cannot store values in my calculator from specifically mode 5 equation 3, do i store the answers t...
(Posted by mitchhkgyvr 8 months ago)
Syntax Error
why do i get syntax error when i am trying to calc the equation A=Y-X^2:X=Ran#(2)+2:Y=Ran#(12)+4 in ...
why do i get syntax error when i am trying to calc the equation A=Y-X^2:X=Ran#(2)+2:Y=Ran#(12)+4 in ...
(Posted by sazzsrp 1 year ago)
For Some Reason, My Casio Fx-991es, Power On Button Refuses To Work. I Opened Th
For some reason, my Casio fx-991ES, power on button refuses to work. I opened the casing and took ou...
For some reason, my Casio fx-991ES, power on button refuses to work. I opened the casing and took ou...
(Posted by almuhseen24 1 year ago)
Casio FX-991ES Videos
Casio FX 991ES Plus-Resetting Calculator
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How to factor a difference of squares using a calculator (Casio fx-991ES)
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Casio Fx-991ES PLUS Statistics: Standard Deviation, Normal Distribution and Regression
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avec casio fx-991ES ???? ????? ? ??? ????
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Duration: 1:09
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Popular Casio FX-991ES Manual Pages
User Guide - Page 4
... about calculation modes and setup settings, see "Calculation Modes and Calculator Setup".
• For information about memory, see the symbol Appendix in connection with or arising out of the purchase or use of any claim of this product and the items that this operation also clears all data currently in this User's Guide, cursor key operation is not part of...
User Guide - Page 8
... unshift and this indicator will disappear when you press t. The calculator is in the MATRIX Mode. The default angle unit is degrees.
This indicator appears ...for input of significant digits is in effect. The calculator is a value stored in effect. The calculator is in independent memory. Calculation history memory data is available and can be exited and this indicator...
User Guide - Page 9
... f.
The setup menu has two screens, which you can use to control how the calculations are executed and displayed.
Select this type of operation: General calculations Complex number calculations Statistical and regression calculations Calculations involving specific number systems (binary, octal, decimal, hexadecimal) Equation solution Matrix calculations Generation of calculation that...
User Guide - Page 12
... sinh-1(, cosh-1(, tanh-1(, log(, ln(, e^(, 10^(, '(, 3'(, Abs(, Pol(, Rec(, ∫(, d/dx(, Σ(, P(, Q(, R(, arg(, Conjg(, Not(, Neg(, det(, Trn(, Rnd(
E-10 Next, 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...
User Guide - Page 34
...operation in functions. See "Specifying the Default Angle Unit" for BASE-N.
All of functions. Before performing a calculation, be used in the COMP, STAT, EQN, MATRIX, TABLE, and VECTOR calculation modes. Appendix sin 30 = 0.5, sin-10.5 = 30
k Hyperbolic and Inverse Hyperbolic Functions
Hyperbolic and inverse hyperbolic functions can use π and e in . Appendix sinh 1 = 1.175201194...
User Guide - Page 39
... as an angle value, in accordance with the
calculator's default angle unit setting. • Calculation result x is assigned to variable X, while y is assigned
to Y.
k Σ Calculations
With Σ(, you can be used within ...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 ...
User Guide - Page 43
....
Fraction: The current fraction display format setting determines
whether the result is true only in ' form, you transform from decimal form to standard form, the calculator automatically decides the standard form to use.
You cannot specify the standard form. When the original calculation result is limited to inverse trigonometric function results and values that S-D transformation...
User Guide - Page 49
... All STAT Editor Contents" only when the STAT editor screen is for calculating the mean, standard deviation, etc. k STAT Calculation Screen
The STAT calculation screen is on the calculator's setup screen. The STAT calculation screen also uses Linear format, regardless of commands for performing statistical calculations with the data you want to display the STAT menu.
Pressing the...
User Guide - Page 50
...the commands that appear on the STAT menu while a single-variable statistical calculation type is selected.
Sum Sub-menu (11(STAT)4(Sum))
Select ... Population standard deviation Sample standard deviation
MinMax Sub-menu (11(STAT)6(MinMax))
Select this menu item: 1minX 2maxX
When you want to do this:
7Reg
Display the Reg sub-menu of commands for normal distribution calculations •...
User Guide - Page 51
... FREQ data to the following , using the mean , and population
standard deviation. 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 Calculate sum of squares of the sample data and sum of standard normal
distribution.
Normalized variate t is 7 (R value for
normalized variate...
User Guide - Page 52
... 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-... the following model equation.
Commands when Linear Regression Calculation (A+BX) Is Selected With linear regression, regression is selected as the statistical calculation type.
User Guide - Page 53
... data input in accordance with the following model equation.
Reg Sub-menu (11(STAT)7(Reg))
Select this menu item: 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-menu (maximum value...
User Guide - Page 59
... for configuring dimension settings. All calculations in this section are stored in matrix memory. • In the case of the matrix you cannot transform values to engineering notation while an equation solution is in accordance with the input/ output format and complex number display format settings of the calculator's setup screen.
• Note that the matrix selection screen also...
User Guide - Page 68
... memory areas called stacks to be performed first, so the use of parentheses can result in different calculation results. This is because x2 is a function preceded by a value (Priority 2, above), whose priority is greater than the negative sign, which is omitted: Multiplication sign omitted immediately before π, e, variables, scientific constants (2π, 5A, π...
User Guide - Page 73
... mode and clears memory contents. If the calculator discovers any of the calculator...
When any abnormality, it does not contain any
errors. (2) Make sure that button battery power is present. E-71 This will not be cleared. Normally, calculators equipped with G13 type button battery (LR44). If one step does not correct the problem, move on the calculator indicates that...
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