- Left click and drag on a root to move it around
- Left click outside of any root to create a new one
- Right click on a root to delete it
- Mouse wheel while not holding a root to zoom in or out
- Mouse wheel while holding a root to change the root's degree
- Mouse wheel click and drag to pan
- Hold F to force a radius and constrain a root to it (try it out and you'll fiigure it out)