Once you click on the graph, the following key combinations can be used to control some of the options:
  Ctrl-B - makes graph thicker
Ctrl-N - makes graph thinner 
Ctrl-P - switch background between gray and white (for copying to Word)
Ctrl-F - display function type options (You can also right-click on the y =.)
Ctrl-E - switch between normal axes and extended axes with arrows on pos. ends
Alt-E - switch between normal axes and extended axes with arrows on all ends
In Area Function Mode:


 
Ctrl-T - shows/hides tangent line to area function
Ctrl-A - shows/hides whole area function
Ctrl-D - shows/hides F'(x).
 
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Dynamic Calc Plotter (c) Paul Seeburger 2003-2007

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