Source : Free On-Line Dictionary of Computing

math-out
     
        (Possibly from "white-out", the blizzard variety) A paper or
        presentation so encrusted with mathematical or other formal
        notation as to be incomprehensible.  This may be a device for
        concealing the fact that it is actually {content-free}.
     
        See also {numbers}, {social science number}.
     
        [{Jargon File}]
     
        (1994-12-14)