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 snowmMa on February 8th, 2014
Casio Fx991es Scientific Calculator How To Find Matrix Inverse
The person who posted this question about this Casio product did not include a detailed explanation. Please use the "Request More Information" button to the right if more details would help you to answer this question.
Current Answers
Related Casio FX-991ES Manual Pages
User Guide - Page 4
... User's Guide and the separate Appendix are subject to change without notice. • In no event shall CASIO Computer Co., Ltd. shall not be liable to anyone for the angle unit.
Initializing the Calculator
Perform the following shows an example of how a key operation to select an on-screen menu item is...
User Guide - Page 5
... of battery specified for later reference.
Battery
• After removing the battery from the calculator, put it in a safe place where it . Disposing of the Calculator
• Never dispose of the calculator by incineration.
• Improperly using this calculator in personal injury or material damage if ignored.
Doing so can result in
this manual...
User Guide - Page 8
...calculator is in the MATRIX Mode. The calculator is in the VECTOR Mode. E-6 The calculator is degrees. The default angle unit is in the CMPLX Mode. The default angle unit is in the STAT Mode. A fixed number of significant digits is grads. Calculation... disappear when you press a key. k About the Display
Your calculator has a 31-dot × 96-dot LCD screen. A ...
User Guide - Page 9
..., 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 corresponds to the mode you want to...
User Guide - Page 34
... to input. See "Specifying the Default Angle Unit" for BASE-N. The functions available to display calculation results. k Pi (π) and Natural Logarithm Base e
You can use the calculator's built-in the COMP, STAT, EQN, MATRIX, TABLE, and VECTOR calculation modes. All of functions. The following shows the required key operations and the values this...
User Guide - Page 36
... be used in the COMP, STAT, EQN, MATRIX, TABLE, and VECTOR calculation modes.
• The X2, X3, X-1 functions can be used in complex number calculations in the CMPLX Mode, and complex number arguments ... A will be negative when f(x) < 0 within f(x), a, b, or tol. • Integration calculations can be large error in obtained integration values and errors may be performed in the CMPLX Mode, ...
User Guide - Page 39
... fixed at 1. • ∫(, d/dx(, Pol(, Rec(, and Σ( cannot be performed in the COMP, STAT, MATRIX, and VECTOR calculation modes. Converting to Polar Coordinates (Pol) Pol(X, Y) X: Specifies the rectangular coordinate X value
Y: Specifies the rectangular coordinate Y value
• Calculation result θ is displayed in the range of -180° < θ < 180°. •...
User Guide - Page 43
...the π forms that are normally expressed in radians.
• After obtaining a calculation result in the case of the f key toggles between the two forms. f
f
Appendix &#...960; Fraction → Decimal ' → Decimal
E-41 When the original calculation result is limited to inverse trigonometric function results and values that S-D transformation can convert it cannot be converted ...
User Guide - Page 46
...Types
Key Menu Item 1 1-VAR 2 A+BX 3 _+CX2 4 In X 5 e^X 6 A•B^X 7 A•X^B 8 1/X
Statistical Calculation Single-variable Linear regression Quadratic regression Logarithmic regression e exponential regression ab exponential regression Power regression Inverse regression
k Inputting Sample Data
Displaying the STAT Editor Screen The STAT editor screen appears after you enter the STAT Mode...
User Guide - Page 54
... Type
Logarithmic Regression (ln X)
e Exponential Regression (e^X)
ab Exponential Regression (A•B^X)
Model Equation
y = A + Bln X y = AeBX y = ABX
Power Regression (A•X^B) y = AXB
Inverse Regression (1/X)
y
=
A
+
B X
Calculation Formula
Appendix Comparison of Regression Curves • The following example uses the data input in the BASE-N Mode (N4). Compare the...
User Guide - Page 59
.... • In the case of the calculator's setup screen.
• Note that the matrix selection screen also appears whenever you enter the MATRIX Mode.
(2) Press a number key (1, 2, or 3) to specify the name of the matrix you want to switch the display between X1, X2, and X3.
Appendix Equation Calculation: to
Matrix Calculations (MATRIX)
You can use the f and...
User Guide - Page 60
...causes the "STO" indicator to appear.
k Performing Matrix Calculations
Pressing A while the matrix selection screen or matrix editor screen is subject to the matrix calculation screen.
Matrix Answer Memory Screen The Matrix Answer Memory (MatAns) screen shows the results of One Matrix to Another Matrix (1) Use the matrix editor screen to display the matrix you want to
copy, or display the...
User Guide - Page 61
... for obtaining the determinant
8Trn
Input the "Trn(" function for this input. Obtain the transposition of Matrix A (det(MatA)). Obtain the inverse matrix of Matrix A (MatA-1).
• Use the E key to Perform a Series of Calculations".
k Matrix Menu Items
The following are the menu items on the matrix menu that you cannot use 6 for obtaining a transposed data in...
User Guide - Page 62
Generating a Number Table
from a Function
(TABLE)
All calculations in this example. E-60 k Configuring a Number Table Generation Function
The procedure below configures the number table generation function with...performed in the TABLE Mode (N7). Determine the square (MatA2) or cube (MatA3) of Matrix A.
• Use w to specify squaring, and 1w(x3) to specify the initial start value of...
User Guide - Page 65
...; You cannot edit the contents of a vector
E-63 Copying the Contents of One Vector to the same rules as the matrix copy operation. k Performing Vector Calculations
To perform a vector calculation, display the vector calculation screen by pressing the A key. The vector copy operation is subject to Another Vector You can copy the contents of...
User Guide - Page 66
... constant you recall a constant, its unique symbol appears on the display. • The following examples use the scientific constants in scientific calculations. 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) Obtain the...
User Guide - Page 68
...1 ÷ 2i = 1 i
2 1 ÷ (2i) = -
1
i
2
k Stack Limitations
This calculator uses memory areas called stacks to be performed first, so the use of parentheses can result in the illustration below.
... sign, which is omitted: Multiplication sign omitted immediately before π, e, variables, scientific constants (2π, 5A, πA, 3mp, 2i, etc.), functions with parentheses (2'(3),...
User Guide - Page 69
...-purpose numeric stack. sin-1x cos-1x
GRA Same as the matrix stack, described above. This means that involves a matrix causes one level of consecutive calculations. Performing a calculation that the numeric stack effectively has only five levels in the CMPLX Mode. • The MATRIX Mode uses its own vector stack, which is used in combination...
User Guide - Page 71
... numeric stack or the command stack to be exceeded. • The calculation you are performing has caused the capacity of the matrix stack to be retained in this case, the original calculation will display an error message when a result exceeds the calculation range, when you attempt an illegal input, or whenever any error message...
User Guide - Page 72
... a solution. • Action
• Check for errors in the equation you input. • Input a value for the solution variable that type of calculation.
• Action • Specify the dimension of the matrix or vector and then perform the calculation again. • Check the dimensions specified for the matrices or vectors to perform your...
Similar Questions
The Display Of My Casio Fx-991es Natural Display Scientific Calculator Become Up
The display of my Casio fx-991ES Natural Display Scientific Calculator become upside down. how can i...
The display of my Casio fx-991ES Natural Display Scientific Calculator become upside down. how can i...
(Posted by wahidullahkhan2 9 years ago)
How To Convert Polar To Rectangular Using Scientific Calculator Fx-991ms
(Posted by tasosjulianj 9 years ago)
How To Use Scientific Calculator Fx 991ms Complex Numbers
(Posted by catdagfhfg 9 years ago)
How To Do Matrix Inverse In Fx-991ms Calculator
(Posted by DextTiag 10 years ago)
How To Get The Mean, Median, Mode Using Scientific Calculator Fx-991es
(Posted by lucho299ann 10 years ago)