Casio FX-991ES Support Question
Casio FX-991ES Support Question
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Question posted by anneiGn on August 17th, 2014
How Can I Find Cofactor Of Matrix By Using Casio Fx 991es
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
... the following shows an example of this manual are subject to change without notice. • In no event shall CASIO Computer Co., Ltd. • The following procedure when you see "Using Calculator Memory". Rad : Specify Radian for the angle unit. be liable for illustrative purposes only, and may differ somewhat from the actual...
User Guide - Page 5
... components to read the following safety precautions before using this manual. Disposing of the Calculator
• Never dispose of the calculator by incineration.
• Improperly using a battery can cause it into the hands ...heat or dispose of it by burning it will not get into the
calculator. • Use only the type of battery specified for later reference. Safety Precautions
Be ...
User Guide - Page 6
..., benzene or other volatile agents to become corrupted or lost completely. Always keep written records 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. Heat can cause slow display response, total failure of...
User Guide - Page 7
... screen. Important!
• If adjusting display 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. After the setting is the way you want, press A.
• You can also adjust contrast...
User Guide - Page 9
... displays the setup menu, which you can jump between using c and f. c
f
E-7 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 select...
User Guide - Page 12
...Not(, Neg(, det(, Trn(, Rnd(
E-10 Next, you input any of =. Inputting Expressions and Values
k Inputting a Calculation Expression Using Standard Format
Your calculator lets you input calculation expressions just as 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...
User Guide - Page 25
... 3 × 3 LINE
3+3S7(:)3*3
Disp
=
"Disp" indicates this is displayed toggles the value between Sexagesimal and Decimal Pressing e while a calculation result is an intermediate result of a multi-statement.
=
E-23
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
...contents. Example:
LINE
1+1= 2+2= 3+3=
f
f
• Note that support calculation history memory: COMP (N1), CMPLX (N2), BASE-N (N4)
Recalling Calculation History Memory Contents Press f to make room for the previous calculation.
Using Calculation History Memory and Replay
Calculation history memory maintains a record of each calculation expression you can display the expression by...
User Guide - Page 34
....
The following shows the required key operations and the values this section are in the COMP, STAT, EQN, MATRIX, TABLE, and VECTOR calculation modes. Before performing a calculation, be used for their arguments.
• The angle unit required by trigonometric and inverse trigonometric functions is complete.You can also be sure to specify the default...
User Guide - Page 36
... specified. k Power Functions and Power Root Functions
• Power functions and power root functions can 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 are supported.
• The X^, '(, 3'(, ^'( functions can be...
User Guide - Page 39
... non-X variables are treated as constants.)
a: Calculation range start point b: Calculation range end point
• a and b are integers in the range of polar coordinate
• Input value θ is treated as an angle value, in the COMP, STAT, MATRIX, and VECTOR calculation modes. k Σ Calculations
With Σ(, you can be used within f(x), a, or b. • Pressing A will...
User Guide - Page 40
...) When you perform coordinate conversion inside of an expression instead 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 different. Note that is less than 1.
• If you are
possible for a group of 10 people?
Appendix Generate...
User Guide - Page 59
....
• The display format of solutions is displayed.
Matrix calculation results are performed in matrix memory. Appendix Equation Calculation: to
Matrix Calculations (MATRIX)
You can save matrices under the names "MatA", "MatB", and "MatC" in the MATRIX Mode (N6). c
f
E-57 • In the case of simultaneous linear equations, you can use the f and c keys to scroll the display between...
User Guide - Page 60
... 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 to use. • Pressing a number key to specify the matrix dimension causes the matrix editor screen to appear. k Performing Matrix Calculations
Pressing A while the matrix selection screen or matrix editor screen is...
User Guide - Page 61
..., MatB, MatC) and display its data on the matrix menu that you cannot use 6 for obtaining a transposed data in Matrix
Appendix
21
1 0 -1
Input MatA = 1 1 , MatC = 0 -1 1 .
21 Copy MatA = 1 1 to MatB and edit the contents
2 -1 of Matrix A (MatA-1).
• Use the E key to the matrix calculation screen, press A. • While the MatAns screen is on the display, you...
User Guide - Page 62
Generating a Number Table
from a Function
(TABLE)
All calculations in the TABLE Mode (N7).
E-60 k Configuring a Number Table Generation Function
The procedure below configures the number table generation function with the following settings. Obtain the absolute value (Abs(MatB)) of each element of Matrix A.
• Use w to specify squaring, and 1w(x3) to specify the...
User Guide - Page 65
... more information, see "Rules for "VctAns".
• You cannot edit the contents of One Matrix to the vector calculation screen, press A. VCT
Stands for Inputting and Editing Coefficients". • If you want to the same rules as the matrix copy operation. Vector Answer Memory Screen The Vector Answer Memory screen shows the result...
User Guide - Page 69
... general-purpose numeric stack.The matrix stack has three levels. k Calculation Ranges, Number of Digits, and Precision
The calculation range, number of digits used for internal calculation, and calculation precision depends on the type of the matrix stack. • The VECTOR Mode uses its own matrix stack, which is used in Mind for storage of consecutive calculations. sin-1x cos-1x...
User Guide - Page 71
... result of the calculation you are performing exceeds the allowable calculation range. • Your input exceeds the allowable input range (particularly when using functions). • The calculation you are performing....calculation you are performing has caused the capacity of the matrix stack to be exceeded. • The calculation you are performing has caused the capacity of the calculation...
User Guide - Page 72
... solution variable that is close to use in the equation you input as the solution variable.
Insufficient MEM Error • Cause
• There is not included in the equation that you do not allow that type of calculation.
• Action • Specify the dimension of the matrix or vector and then perform the...
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