SHOW

        [GREG1\]SHOW Item
      -  SHOW  <SET_key>  lists  the  current  value   of   the   associated
        parameter(s).
      - SHOW ALL lists the values of all the SET parameters.
      - SHOW PEN lists the current pen definitions (use the  PENCIL  command
        itself for informations on the active pen alone).
      - SHOW PROJECTION lists the current projection used.
      - SHOW [WHERE or LIMITS] [DEGREE,MINUTE,SECOND or  RADIAN]  shows  the
        current  pen  location  and  plot  region  limits  in  User and Plot
        coordinates. The second argument modifies the angular units in which
        the  user's  values  are  displayed, when a projection is enabled of
        course.
      - SHOW Without arguments is a synonym of SHOW WHERE