New application RENDER
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RENDER has the following properties:

 1) Surface rendering of a 2-dim. set
 2) Volume rendering of a 3-dim. set
 3) Display 2-dim. slices at any angle through any point within a 3-dim. cube
 4) Record a series of plots and play them in a movie
 5) Render in one colour or use colour schemes from GIDS
 6) Easy to use graphical user interface. Documentation under HELP button