Casio FX-991ES Support Question
Casio FX-991ES Support Question
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Question posted by msdocsept on August 13th, 2014
How To Do Inverse Matrix On Casio Fx-991es
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
... with it .
• The following procedure when you want to initialize the calculator and return the calculation mode and setup to their initial default settings. Example: 1(Setup)
Indicates the ... for the angle unit.
Moreover, CASIO Computer Co., Ltd. Specify the angle unit in accordance with it . E-2 Initializing the Calculator
Perform the following shows an example of this ...
User Guide - Page 8
.... The default angle unit is grads. A fixed number of significant digits is in the MATRIX Mode.
E-6 This indicator appears after you press t. A fixed number of decimal places is in effect. Math style is degrees. Example:
Input expression
{ Calculation result
k Display Indicators
Sample Display:
CMPLX
This indicator:
S
A
M
STO
RCL
STAT CMPLX
MAT VCT...
User Guide - Page 9
... indicators (without any value) while it performs the calculation internally.
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 takes a long time to select. • To...
User Guide - Page 34
... take some time to you depends on the calculation mode you are available in the COMP, STAT, EQN, MATRIX, TABLE, and VECTOR calculation modes. See "Specifying the Default Angle Unit" for their arguments.
• The angle unit required by trigonometric and inverse trigonometric functions is complete.You can be sure to input. The functions...
User Guide - Page 36
...due to the type of function being fulfilled. • When performing an integration calculation involving trigonometric functions, specify Rad as constants.)
a: Integration interval lower limit b: Integration... 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 ...
User Guide - Page 39
... at 1. • ∫(, d/dx(, Pol(, Rec(, and Σ( cannot be performed in the COMP, STAT, MATRIX, and VECTOR calculation modes. Converting to Rectangular Coordinates (Rec)
Rec(r,θ) r : Specifies r value of polar coordinate θ : Specifies θ value of -180° < θ < 180°. • Calculation result θ is displayed using the following formula.
Σ...
User Guide - Page 43
When the original calculation result is limited to inverse trigonometric function results and values that are supported. Example: Fraction →..., it to ' form. Examples of S-D Transformation Note 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 π Fraction → ...
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
...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 Example . Base-n Calculations
(BASE-N)
The BASE-N Mode lets you perform arithmetic calculations, negative value calculations, and logical operations with binary, octal, decimal, and...
User Guide - Page 59
... input/ output format and complex number display format settings 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
Matrix Calculations (MATRIX)
You can use the f and c keys to engineering notation while an...
User Guide - Page 60
... to appear on the display switches to the matrix calculation screen.
k Performing Matrix Calculations
Pressing A while the matrix selection screen or matrix editor screen is subject to appear.
Copying the Contents of One Matrix to Another Matrix (1) Use the matrix editor screen to display the matrix you want to
copy, or display the Matrix Answer Memory screen. • If you want...
User Guide - Page 61
...)). For more information, see "Using Answer Memory to input "-1". MatA × MatB (Multiplying
Two Matrices) 3 × MatA (Matrix Scalar Multiplication) Obtain the determinant of Matrix C (Trn(MatC)). Obtain the inverse matrix of Matrix A (MatA-1).
• Use the E key to Perform a Series of Calculations". Select this menu item:
When you cannot use 6 for obtaining a transposed data in...
User Guide - Page 62
... below configures the number table generation function with the following settings. Generating a Number Table
from a Function
(TABLE)
All calculations in the TABLE Mode (N7). E-60
Function: f(x) = x2 + 1 2
Start Value: 1, End Value: ...6 for this example.
Obtain the absolute value (Abs(MatB)) of each element of Matrix A.
• Use w to specify squaring, and 1w(x3) to specify the initial ...
User Guide - Page 65
... (VctAns) or of a vector in the EQN Mode. The vector copy operation is subject 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.
See "Copying the Contents of a vector
E-63 Vector Answer Memory Screen The Vector Answer Memory...
User Guide - Page 69
...;157079632.7 GRA 0Ϲ ȊxȊ Ͻ1҂1010
tanx DEG Same as the matrix stack, described above. Precision for exponential display is a real number or a complex number.
This means that involves a matrix causes one level of Digits for a single calculation. Vector stack usage follows the same rules as sinx, except when ȊxȊ...
User Guide - Page 71
... has caused the capacity of the numeric stack or the command stack to be exceeded. • The calculation you are performing has caused the capacity of the matrix stack to be exceeded.
• Action • Simplify the calculation expression so it does not exceed the capacity of the stack. • Try splitting the...
User Guide - Page 72
... corrections. Can't Solve Error (SOLVE feature only) • Cause
• The calculator could not obtain a solution. • Action
• Check for the matrices or vectors to perform a calculation with the calculation.
Dimension ERROR (MATRIX and VECTOR Modes only) • Cause
• The matrix or vector you input. • Input a value for the solution variable that...
User Guide - Page 75
CASIO COMPUTER CO., LTD.
6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan
SA0411-B Printed in China
Appendix - Page 43
#104
MAT
1w(Abs)14(MATRIX) 4(MatB))
MAT
=
#105
MAT
14(MATRIX)3(MatA)w
MAT
=
MAT
14(MATRIX)3(MatA) 1w(x3)
MAT
=
#106
VCT
N8(VECTOR) 1(VctA)2(2)1= 2=
A15(VECTOR)1(Dim)
VCT
3(VctC)1(3)2=
y1= 2=
-42-
Appendix - Page 52
CASIO COMPUTER CO., LTD.
6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan
SA0411-B
Printed in China Imprimé en Chine
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