• Click anywhere in the GeoGebra window below to make it active.
• Click on the input slider (upper-left GeoGebra window) to make it active.
• Use your right and left arrow keys to change the value on the input slider.
  Or, just drag the point along the slider.
• Notice the corresponding changes in the Function Boxes!
• You may change either function by using the   Input:   field (bottom-left GeoGebra window).
  For example, type:
  
  and press ENTER to change the function $\,f\,$ to the cubing function.
• You may double-click on the GeoGebra window to get a fully functioning GeoGebra window for further explorations.
• Refresh this page at any time to restore it to its original configuration.

Dr. Carol J.V. Fisher, August 18, 2001, created with GeoGebra