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   To insert a user defined function do the following:

     . Press the Dictionary button from the dBsee main menu.

     . Access the Symbols environment by pressing the relative
       button.

     . Select and press the Functions button, and press
       Ins.

     . Insert the name of the function and confirm with Enter.

     . Insert any eventual parameters.

     . Enter a brief description of the function.

     . Press Space Bar to edit the function.

     . Insert the source code and confirm with F10.

     . Press F10 again to return to the Symbols
       environment.

   The new Function has been inserted and will be added to the list of
   Symbols.