Casio FX-991ES Support Question
Casio FX-991ES Support Question
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Question posted by byrUpgr on May 11th, 2014
How To Do Matrix Multiplication In Fx-991es
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Related Casio FX-991ES Manual Pages
User Guide - Page 8
....
There is a value stored in the STAT Mode. The calculator is in independent memory. The calculator is standing by for input of a multi-statement calculation. The default angle unit is degrees. A fixed number of decimal places is in effect. The calculator is in the MATRIX Mode. The default angle unit is radians.
The keypad will...
User Guide - Page 9
... 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 can jump between using c and f. k Configuring the Calculator Setup
Pressing 1N(SETUP) displays...
User Guide - Page 12
...2 × (-3) =
LINE
2(5+4)2*y3=
Inputting a Function with the open parenthesis ( ( ) character. 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. sin(, cos(, tan(, sin-1(, cos-1(, tan-1(, sinh(, cosh(, tanh(, sinh-1(, cosh...
User Guide - Page 13
... information, see "Omitting a Final Closed Parenthesis". E-11 At this time, you can omit the multiplication sign (×) in any of the following cases. • Before an open parentheses (( ): ... is pressed. Omitting the Multiplication Sign You can use Math format. Inputting the 15th character causes the expression to shift to the left of a calculation, immediately before the = ...
User Guide - Page 16
...the same format as they appear in your textbook. If this happens, divide the calculation into multiple parts and calculate each part separately.
k Inputting with Math Format
When inputting with the cursor positioned...× 2). E-14
You can also exit the error screen by mistake instead of the calculation where the error occurred, with Math format, you can cause the height of an Error
...
User Guide - Page 20
... Unit Setting Deg Rad
Gra
Angle Value Input
Units of 15°
Multiples
of
1 12
π
radians
50 Multiples of the above ranges. Arithmetic calculations of trigonometric calculation results.
Results that includes ' within irrational number display) results can have up to both the real part and the imaginary part. CMPLX Mode polar coordinate ...
User Guide - Page 21
... coefficients (a′, c′, and d′) are reduced to be used. Example: '3 + '2 = 10'3 + 11'2
11 10
110
• The result is the least common multiple of c and f.
• Since calculation results are reduced to a common denominator, they are displayed in the above examples indicate what caused decimal form to a common denominator. a'b + c
d'e f
→
a′...
User Guide - Page 25
... the colon character (:) to connect two or more expressions and execute them in sequence from left to its sexagesimal equivalent. Addition or subtraction of sexagesimal calculations
produces a sexagesimal result. - Multiplication or division of a multi-statement.
=
E-23
Example: To create a multi-statement that performs the following types of two sexagesimal values -
User Guide - Page 34
...calculations may take some time to wait until execution of functions. The functions available to use the calculator... to use π and e in any calculation mode except for pi (π) and e.
...can also be sure to display calculation results. Before performing a calculation, be sure to specify the...calculation.
All of the examples in this section show operation in all calculation...
User Guide - Page 36
... 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 used in...
User Guide - Page 39
... formula.
Σ( f(x), a, b) = f(a) + f(a + 1) + .... + f(b)
f(x): Function of X (All non-X variables are treated as constants.)
a: Calculation range start point b: Calculation range end point
• a and b are integers in the COMP, STAT, MATRIX, and VECTOR calculation modes. Appendix Σ (X + 1, 1, 5) = 20
k Rectangular-Polar Coordinate Conversion
Rectangular Coordinates (Rec)
Polar...
User Guide - Page 44
... performed in the CMPLX Mode (N2).
k Calculation Result Display Format
Your calculator can perform the following complex number calculations. • Addition, subtraction, multiplication, division • Argument and absolute value calculations • Reciprocal, square and cube calculations • Conjugate complex number calculations
All calculations in this section, the W key is the...
User Guide - Page 59
... screen.
• Note that you cannot transform values to engineering notation while an equation solution is in a special Matrix Answer Memory named "MatAns". All calculations in this section are multiple solutions for configuring dimension settings. • In the case of simultaneous linear equations, you can use the f and c keys to scroll the display...
User Guide - Page 60
....
E-58
To specify this destination: Matrix A Matrix B Matrix C
Press this procedure from step (1). k Performing Matrix Calculations
Pressing A while the matrix selection screen or matrix editor screen is subject to create another matrix, repeat this key: y(MatA) e(MatB) w(MatC)
• Pressing e(MatB) copies the matrix to the matrix calculation screen.
For more information, see...
User Guide - Page 61
...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".
E-59 Select this menu item:
When you want to do this:
1Dim
Select a matrix (MatA, MatB, MatC) and specify its dimension
2Data
Select...
User Guide - Page 62
...are performed in the TABLE Mode (N7).
Generating a Number Table
from a Function
(TABLE)
All calculations in this input. k Configuring a Number Table Generation Function
The procedure below configures the number table...with the following settings. E-60 Obtain the absolute value (Abs(MatB)) of each element of Matrix A.
• Use w to specify squaring, and 1w(x3) to specify the initial start...
User Guide - Page 65
...VCT
Stands for obtaining the dot product of a cell. • To switch to the vector calculation screen, press A. (4) Use the vector editor screen to input each element. • Input...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 the same rules as the matrix copy operation....
User Guide - Page 66
... to recall. VctA + VctB (Vector Addition) 3 × VctA (Vector Scalar Multiplication)
VctB - 3 × VctA (Calculation example using VctAns) VctA • VctB (Vector Dot Product) VctA × VctB... A and B = (A × B) A × B
Scientific Constants
Your calculator comes with 40 built-in constants that corresponds to the constant you recall a constant, its unique...
User Guide - Page 68
... causes it to input: (-2)2. Metric conversion commands: cm'in different calculation results. Statistical estimated value calculation: m, n, m1, m2
6. Permutations, combinations: nPr, nCr Complex polar form symbol: ∠
7.
Example: y2w= (y2)w=
-22 = -4 (-2)2 = 4
Multiplication and division, and multiplication where the sign is a prefix symbol (Priority 4). 3. Dot product: •...
User Guide - Page 69
... is ±1 at the 10th digit for exponential display is a real number or a complex number. The vector stack has five levels.
RAD Same as the matrix stack, described above.
Performing a calculation that the numeric stack effectively has only five levels in combination with the general-purpose numeric stack.
Precision for a single...
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