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We wish to enter a 3 by 4 matrix, so press 3 and hit ENTER, then press 4 and hit
ENTER. You should see the following on your screen:
Now enter the entries of the augmented matrix. You can use the arrows to move around.
Notice the bottom of the screen indicates your location within the matrix. For example
1,1 means the cursor is in row 1, column 1. So, 2, 3 would mean the cursor is in row 2,
nd
column 3. After entering all the elements of the augmented matrix, press 2
QUIT to
return to the HOME screen.
To see matrix [A] on the HOME screen, press MATRX to obtain the following:
You can now see matrix [A] is a 3 by 4 matrix. Press ENTER and obtain the following:
Press ENTER again to see the entries of matrix [A]:
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