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Of course, you can always overwrite an existing matrix with a new one. But, the following procedure deletes a matrix for good.
| What to Enter | Screen Shots |
| Suppose that a 2x2 matrix [A] is stored on the TI-84/83. We will try to delete this matrix for good. |
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| Press 2ND then MEM (above the + button). Then, you will see this: |  |
| Press 2 to select 2: Mem Mgmt/Del…. Then, you will see this: |  |
| Press 5 to select 5: Matrix…. Then, you will see this: If multiple matrices ([A], [B], etc.) are listed, use the cursor to move the triangle  to the matrix you want to delete. |
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| Press DEL. The matrix [A] disappears. |  |
| To check that the matrix has really been deleted, press 2ND then MATRIX (above the x–1 button). It is gone. |  |
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Disclaimer • Updated September 4, 2008
Email: mitsuma@kutztown.edu
Phone: +1 (610) 462-WPJW
Phone: +1 (610) 462-WPJW