Areas in which toolboxes are available include signal processing, Image Processing, neural networks, Optimization, and more. Hypertext help facility, based on Nestcape.
Some toolboxes have a graphic user interface.
Matlab can run on a terminal that does not have graphic interface. Graphic commands will not result in any visible output, but will not cause any failure. Plots can be saved in PostScript format. Users who purchase the PC or MAC version receive a complete set of manuals.