| KU Interactive Mathematics |
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This tutorial will show you how to find the inverse of a matrix on the TI.
| What to Enter | Screen Shots |
| Suppose that we want to find the inverse of this 3x3 matrix: |  |
| See this tutorial to see how to enter this matrix on the TI. |  |
| Press 2ND then MATRIX. |  |
| Press 1.
Then, you will see this: |
 |
| Press x–1. Then, you will see this: |  |
| Press ENTER. Then, you will see this: |  |
| Since we want all entries to be fractions, press MATH. |  |
| Press ENTER. Then, you will see this: |  |
| Press ENTER again. Then, you will see this: |  |
| As ugly as it may look, all entries are now in
fractions. Use right-left cursors to scroll. |
 |
| Course Info | Office Hours | Exams | LiveMath | TI | Help | |
KU | Math Dept | Home |
| KU Interactive Mathematics |
Disclaimer • Updated September 4, 2008
Email: mitsuma@kutztown.edu
Phone: +1 (610) 462-WPJW
Phone: +1 (610) 462-WPJW