MATRICES Matrix Operations (Page 2 of 8)

First, specify the size of matrix A, which is 2 rows by 3 columns. Once you have entered these dimensions, the calculator will create the correct size matrix and you can begin to input the matrix entries. The TI-83 and TI-84 is set up to accept entries one row at a time. Just type in each number and press ENTER. The cursor will automatically advance to the next position.

 2 ENTER key. 3 ENTER key. (Size)

 Negation key. 2 ENTER key. 6 ENTER key. 1 ENTER key. (Row 1)
 5 ENTER key. 3 ENTER key. Negation key. 4 ENTER key. (Row 2)

 Calculator screen image.

Notice that the position of each entry is identified as you enter the numbers. For example, when the entry 1 is entered, the calculator display shows 1,3= signifying this is the row 1 column 3 position.
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