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When entering matrix in a SHARP EL-506W calculator it does not seem to work. My matrix has 3 rows and 4 columns. First, i enter the data and save it by pressing M+. Afterwards, i go to MATH-2 and specify MAT D and then i do not know what to do. I am stuck and the manual is not helping. I appreciate the help thanks! :)

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Parts of display don't work

You can try opening up the calculator (an exercise in itself, need to pry it open - use a plastic prying implement if you don't want to damage the edges) and you will see the display attached to the main board with a film ribbon. Believe it or not, this is GLUED to the board. You can sometimes bring these back to life by applying heat to the join from a hair dryer. This will soften the glue and remake the connection. This worked for me once, but it was delaying the inevitable and mine is now both broken and lost :(

Posted on May 09, 2008

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KCGTODAD
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SOURCE: calculation problem

Are you just trying to get the total # of parts? If so it would be 23 x 1000 = 23,000 + 837 - Total = 23,837

Posted on Sep 18, 2009

Testimonial: "It led me in the right direction but i needed to hit the "+" key twice to add the odd bag. Thanks"

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SOURCE: what is the max of rows and columns for the matrix

Hi,
The maximum number of dimensions is 3. Thus the largest matrix you can create is a 3x3 matrix. To verify that, press [MODE][6:Matrix][1:MatA] to get all available dimensions (3x3 to 1x1).
Hope it helps.

Posted on Dec 08, 2009

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SOURCE: Entering data for Matrices A and B

Happy for you that you found the solution yourself.

Posted on Jun 24, 2010

Tom-p34
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SOURCE: how do i do a fraction on my calculator

ok i figure this is like any other calculator, but without a fraction button. A fraction i somthing / something . so instead of the fraction button use the division button.

Posted on Jul 08, 2010

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1 Answer

How to multiply the matrices using fx-991ms calculator


The following was written for the Casio FX-991 ES. If matrix calculations are available on your calculator you will perform them as described below. ( I have no time to verify that the FX-991ms can perform matrix calculations).

Let me explain how to create matrices. (If you know how to do it, skip to the operations on matricies, at the end.)

First you must set Matrix calculation
[MODE][6:Matrix]. Then By entering one of the numbers [1:MatA] or [2:Matb] or [3:MatC] you get to choose the dimensions of the matrix
(mxn]. Once finished entering the matrix you clear the screen.
The operations on matrices are available by pressing [Shift][Matrix]
[1:Dim] to change the dimension of a matrix (in fact redefining the matrix)
[2:Data] enter values in a matrix
[3:MatA] access Matrix A
[4:Matb] access Matrix B
[5:MatC] access matrix C
[6:MatAns] access the Answer Matrix (the last matrix calculated)
[7:det] Calculate the determinant of a matrix already defined
[8:Trn] The transpose of a matrix already defined

To add matrices MatA+MatB
To subtract MatA-MatB
To multiply MatAxMatB
To raise a matrixe to a power 2 [x2], cube [x3]
To obtain inverse of MatA already defined MatA[x-1] [x-1] is the x to the power -1 key
Dimensions of matrices involved in operations must match.
Here is a short summary

The multiplication of structured mathematical entities (vectors, complex numbers, matrices, etc.) is different from the multiplication of unstructured (scalar) mathematical entities (regular umbers). As you well know matrix multiplication is not commutative> This has to do with the dimensions.

An mXn matrix has m rows and n columns. To perform multiplication of an kXl matrice by an mXn matrix you multiply each element in one row of the first matrix by a specific element in a column of the second matrix. This imposes a condition, namely that the number of columns of the first matrix be equal to the number of rows of the second.
Thus, to be able to multiply a kXl matrix by am mXn matrix, the number of columns of the first (l) must be equal to the number of rows of the second (m).

So MatA(kXl) * MatB(mXn) is possible only if l=m
MatA(kX3) * Mat(3Xn) is possible and meaningful, but
Mat(kX3) * Mat(nX3) may not be possible.

To get back to your calculation, make sure that the number of columns of the first matrix is equal to the number of rows of the second. If this condition is not satisfied, the calculator returns a dimension error. The order of the matrices in the multiplication is, shall we say, vital.

Nov 06, 2012 | Casio FX991MS Scientific Calculator

1 Answer

Have a sharp EL-506w calculator i have ten zeros on the screen it will do problems but it s a bunch of zeros behind it it aiso says x10 in small context at the far right side bottom of the screen.


Your calculator is set to display in scientific notation. To change it, press SETUP 1 then choose the desired mode. For most purposes you'll probably want Floating Point. For more details see the third column of the first page of the manual.

Oct 22, 2012 | Sharp Office Equipment & Supplies

1 Answer

How to compute a matrix


  1. First you must set Matrix calculation: Press [MODE][6:Matrix].
  2. Then by entering one of the numbers [1:MatA] or [2:Matb] or [3:MatC] you get to choose the dimensions of the matrix (mxn].
  3. Once finished entering the matrix you clear the screen.
  4. The operations on A SINGLE matrix are available by pressing [Shift][Matrix].
  5. The choices are
  • [1:Dim] to change the dimension of a matrix (in fact redefining the matrix)
  • [2:Data] enter values in a matrix
  • [3:MatA] access Matrix A
  • [4:MatB] access Matrix B
  • [5:MatC] access matrix C
  • [6:MatAns] access the Answer Matrix (the last matrix calculated)
  • [7:det] Calculate the determinant of a matrix already defined
  • [8:Trn] The transpose of a matrix already defined

Once you have created a square matrix, for example matA.
You press
[Shift][Matrix] [7:det] [SHIFT][MATRIX][3:MatA], close the parenthesis and press [ENTER].

If you have defined two similar matrices (same number of row and same number of columns) you can ADD them or subtract them. The operation keys are Plus and Minus as for any number.
To multiply you use the multiplication sign. The matrices must be compatible (mxn) multiplied by (nxk).

Aug 10, 2011 | Casio FX-115ES Scientific Calculator

1 Answer

Please tell me to find out the inverse of any matrix with an example in scientific calculator


  1. Press the "Mode" key next to the "On" button.
  2. Press 6 to choose matrix
  3. Press 1 to Enter the matrix data in MatA
  4. It will ask for the Row by Column dimensions (mxn), press the corresponding key, for this example we'll use a 2x2 matrix, so press 5.
  5. Enter the data into the calculator using the arrow keys and number keys.
    The for now enter 1 0 as the matrix (press the = key after you have finished entering a number). 0 1
  6. Press the AC key once the matrix has been entered.
  7. Now press SHIFT, 4 and press 3 to select MatA
  8. "MatA" will now be displayed on your screen
  9. Press the "-1" key (just below the mode key)
  10. "MatA-1" should be on your screen, press the = key.
  11. The inverse of the matrix will be displayed.

Jul 02, 2011 | Casio FX-115ES Scientific Calculator

1 Answer

Hi my name is paul and I'm trying to get more help for Statistics, there was help for finding mean, but i can't find help for standard deviation. Also, for another professor I can't figure out, by the...


Here is some help. Please read both parts attentively.

TO COMPUTE STANDARD DEVIATION AND 2-VAR STATISTICS.

I assume you know the theory. I will show you the key strokes

For 1-Var statistics
Press [MODE][3:STAT] [1:1-VAR]. You are ready to enter values in the X column.
Enter a number and press [=]. Cursor jumps to second number to enter.
Keep entering numbers and pressing [=] till all numbers are in. Press the [=] key after the last one.
Press [AC] key to clear the screen.
Press [SHIFT] [STAT] (above digit 1.) then [5:Var]. Screen displays the statistical variables 1:n ;2: x bar; 3: x sigma n; 4:x sigma n-1.
Press the number corresponding to the statistical value you want, ex 1:n . The variable appears on screen. Press [=] and it will be displayed.
To display another variable press [SHIFT][STAT][5:Var][ 1,2, 3, or 4] .

To access the sum of squares sigma x^2 and the sum of data sigma x press[SHIFT][STAT][4:SUM] then [1: for sigma x^2] or [2: for sigma x]. Press [SHIFT][STAT][6:MinMax] to access minX and maxX.

For 2-var statistics
To perform 2 variable statistics you press [MODE][3:STAT] and any of the other regression options (except 1:1-Var). A two column template opens where you enter the X and Y values. When finished entering data, press [SHIFT][STAT][5:Var]. to access the different statistics. As I assumed above, you should be able to recognize what each variable means.

ABOUT MATRICES

This post is rather exhaustive as regards the matrix capabilities of the calculator. So if the post recalls things you already know, please skip them. Matrix multiplication is at the end.

Let me explain how to create matrices. (If you know how to do it, skip to the operations on matrices, at the end.)

First you must set Matrix calculation
[MODE][6:Matrix]. Then By entering one of the numbers [1:MatA] or [2:Matb] or [3:MatC] you get to choose the dimensions of the matrix
(mxn]. Once finished entering the matrix you clear the screen.
The operations on matrices are available by pressing [Shift][Matrix]
[1:Dim] to change the dimension of a matrix (in fact redefining the matrix)
[2:Data] enter values in a matrix
[3:MatA] access Matrix A
[4:Matb] access Matrix B
[5:MatC] access matrix C
[6:MatAns] access the Answer Matrix (the last matrix calculated)
[7:det] Calculate the determinant of a matrix already defined
[8:Trn] The transpose of a matrix already defined

To add matrices MatA+MatB (MUST have identical dimensions same m and same n, m and n do not have to be the same)
To subtract MatA-MatB. (MUST have identical dimensions, see above)
To multiply MatAxMatB (See below for conditions on dimensions)
To raise a matrix to a power 2 [x2], cube [x3]
To obtain inverse of a SQUARE MatA already defined MatA[x-1]. The key [x-1] is the x to the power -1 key. If the determinant of a matrix is zero, the matrix is singular and its inverse does not exit.

Dimensions of matrices involved in operations must match. Here is a short summary

The multiplication of structured mathematical entities (vectors, complex numbers, matrices, etc.) is different from the multiplication of unstructured (scalar) mathematical entities (regular numbers). As you well know matrix multiplication is not commutative> This has to do with the dimensions.

An mXn matrix has m rows and n columns. To perform multiplication of an kXl matrix by an mXn matrix you multiply each element in one row of the first matrix by a specific element in a column of the second matrix. This imposes a condition, namely that the number of columns of the first matrix be equal to the number of rows of the second.
Thus, to be able to multiply a kXl matrix by am mXn matrix, the number of columns of the first (l) must be equal to the number of rows of the second (m).

So MatA(kXl) * MatB(mXn) is possible only if l=m
MatA(kX3) * Mat(3Xn) is possible and meaningful, but
Mat(kX3) * Mat(nX3) may not be possible.

To get back to your calculation, make sure that the number of columns of the first matrix is equal to the number of rows of the second. If this condition is not satisfied, the calculator returns a dimension error. The order of the matrices in the multiplication is, shall we say, vital.

Apr 14, 2011 | Casio FX-115ES Scientific Calculator

1 Answer

Solve a matrix of complex numbers using ti89 or any other ti calculator


Well, the equation is Ax=b and we want so solve for x
There are several ways of entering the data, but this is one way
Code: A=[15+35i 29+1i; 46+13i 62+3i]
b=[0;0]
x=A\b which has the trivial solution x=[0;0] (the ";" means "next row", a space next column.) To input a matrix use APPs then Data/Matrix Editor then New. Then change Data to Matrix. Put in the name such as "AA" in the variable field. Then enter row and column dimensions. Then edit as a spread sheet. Use F6(util) to delete a column or row. To manipulate matrices, exit the matrix application, then go to MATH then Matrix. Notice that J(RowOpps) is available. Good luck and thank you for using FixYa! We would sure appreciate a 4 "thumbs-up" rating for this answer. Happy holidays!

Dec 05, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

How to use the regular calculator to solve a matrix question?


  1. First you must set Matrix calculation: Press [MODE][6:Matrix].
  2. Then by entering one of the numbers [1:MatA] or [2:Matb] or [3:MatC] you get to choose the dimensions of the matrix (mxn].
  3. Once finished entering the matrix you clear the screen.
  4. The operations on A SINGLE matrix are available by pressing [Shift][Matrix].
  5. The choices are
  • [1:Dim] to change the dimension of a matrix (in fact redefining the matrix)
  • [2:Data] enter values in a matrix
  • [3:MatA] access Matrix A
  • [4:MatB] access Matrix B
  • [5:MatC] access matrix C
  • [6:MatAns] access the Answer Matrix (the last matrix calculated)
  • [7:det] Calculate the determinant of a matrix already defined
  • [8:Trn] The transpose of a matrix already defined

Once you have created a square matrix, for example matA.
You press
[Shift][Matrix] [7:det] [SHIFT][MATRIX][3:MatA], close the parenthesis and press [ENTER].

If you have defined two similar matrices (same number of row and same number of columns) you can ADD them or subtract them. The operation keys are Plus and Minus as for any number.
To multiply you use the multiplication sign. The matrices must be compatible (mxn) multiplied by (nxk).

Sep 27, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

How to multiply two matricies?


Let me explain how to create matrices. (If you know how to do it, skip to the operations on matricies, at the end.)

First you must set Matrix calculation
[MODE][6:Matrix]. Then By entering one of the numbers [1:MatA] or [2:Matb] or [3:MatC] you get to choose the dimensions of the matrix
(mxn]. Once finished entering the matrix you clear the screen.
The operations on matrices are available by pressing [Shift][Matrix]
[1:Dim] to change the dimension of a matrix (in fact redefining the matrix)
[2:Data] enter values in a matrix
[3:MatA] access Matrix A
[4:Matb] access Matrix B
[5:MatC] access matrix C
[6:MatAns] access the Answer Matrix (the last matrix calculated)
[7:det] Calculate the determinant of a matrix already defined
[8:Trn] The transpose of a matrix already defined

To add matrices MatA+MatB
To subtract MatA-MatB
To multiply MatAxMatB
To raise a matrixe to a power 2 [x2], cube [x3]
To obtain inverse of MatA already defined MatA[x-1] [x-1] is the x to the power -1 key
Dimensions of matrices involved in operations must match.
Here is a short summary

The multiplication of structured mathematical entities (vectors, complex numbers, matrices, etc.) is different from the multiplication of unstructured (scalar) mathematical entities (regular umbers). As you well know matrix multiplication is not commutative> This has to do with the dimensions.

An mXn matrix has m rows and n columns. To perform multiplication of an kXl matrice by an mXn matrix you multiply each element in one row of the first matrix by a specific element in a column of the second matrix. This imposes a condition, namely that the number of columns of the first matrix be equal to the number of rows of the second.
Thus, to be able to multiply a kXl matrix by am mXn matrix, the number of columns of the first (l) must be equal to the number of rows of the second (m).

So MatA(kXl) * MatB(mXn) is possible only if l=m
MatA(kX3) * Mat(3Xn) is possible and meaningful, but
Mat(kX3) * Mat(nX3) may not be possible.

To get back to your calculation, make sure that the number of columns of the first matrix is equal to the number of rows of the second. If this condition is not satisfied, the calculator returns a dimension error. The order of the matrices in the multiplication is, shall we say, vital.

Mar 06, 2010 | Casio FX-115ES Scientific Calculator

2 Answers

Steps in solving matrix on my ti 89 calculator.


I assume you are speaking of solving a system of equations with a number of unknowns. If not, please correct me. Here's an example in practice:

If you have a system of 3 equations with 3 unknowns, you would set up your matrix so that the coefficients of each variable for a particular equation are on one row. So, given equations x + y + z = 0, 2x + 3y - 4z = 1, x + -z = -1 you would type the following into your calculator: [[1,1,1,0][2,3,-4,1][1,0,-1,-1]] and press enter to make sure you typed it correctly. notice that in the third row there is a zero, since we have zero time y for the third equation. Then row-reduce the matrix (2nd > 5 > 4 > 4 or in the CATALOG as rref). You should get out the matrix [[1,0,0,-1][0,1,0,1][0,0,1,0]]. This says that x=-1 y = 1 z=0 since my first column contained the coefficients for the x variable, the second for the y variable, and the third for the z variable. The last column contains the solution, the part on the other side of the equals sign.

Hope this helps! For more reading (from someone else; I just made this one up), check out the Wikipedia articles on Gaussian elimination and Systems of linear equations

May 03, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

Entering data for Matrices A and B


Happy for you that you found the solution yourself.

Apr 28, 2009 | Sharp EL-506WBBK Calculator

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