By Walton Dell
October 8, 1999
Last Updated: June 25, 2006
Drag and drop the red dots to move the "zeros". These are called the "zeros" because they reflect x coordinates where the y value of the function will be zero. If you drag one off the screen, you can click the title bar to reset the program to its original settings. The vertical scale of the graph below is much larger than the horizontal scale. This is done to keep the plot on the screen.
Copyright 1999-2000 by Walton Dell
Web Site: wdell.com