Overlapping circles

      by Brian Mc Grath

How to use this applet

If you want to move a circle to another position on the grid just use the mouse to click anywhere on the grid where you want the center of thet circle to be. Then press either Circle1 or Circle2 depending on which circle you want to move. If you want to change the length of the radius of either circle just use the incrememt and decrement keys. Then press Begin to start a short tutorial on the concept of overlaping circles.