The Matrix Tool allows you to draw numbers in a grid. To use the Matrix Tool,
1. Select the Matrix Tool and click on the canvas to set the insertion point
2. Drag right and down until you see the number of rows and columns you desire
3. Click again to complete the grid
4. Type the number or symbols you need in the first cell of the matrix
5. Press Tab to move to the next cell
6. Repeat steps 5 and 6 until your matrix is full. The final tab will place the cursor outside of the matrix.