Source : Free On-Line Dictionary of Computing

Psion Organiser
     
         A popular {pocket computer} from the UK Company
        {Psion} plc.  The organiser uses a {graphical user interface}
        with windows, menus, icons and {dialog box}es.  There have
        been several versions so far: Series3a, Series3, HC, MC,
        OrgII.
     
        {Usenet} newsgroups: {news:comp.sys.psion},
        {news:comp.binaries.psion}.
     
        (1995-03-03)