                       FUNCTION KEYS and LINE EDITING

        (SHIFT for lower command)      "help menu" produces a PULLDOWN MENU.
       Ŀ
        F1          F2              LINE EDITING:  type F10 and edit on
            run         reset       the CRT screen. You can enter text; use
            help        time        the arrow keys, Home, End, PgUp, PgDN
       Ĵ     to position the cursor.  Use Del and
        F3          F4              Backspace keys to delete text.
            drunr       drun   
            PIC         note        Type F10 to enter the line with the
       Ĵ     cursor on it.  Type Enter to enter the
        F5          F6              line with the cursor on it and QUIT
            save        old         THE LINE EDITOR.
            size        dump   
       Ĵ     NOTE that such line editing handles
        F7          F8              only 80-character lines.  Use the FULL
            list        go          SCREEN EDITOR (F9) for long lines and
            list+       trace       more extensive editing with string
       Ĵ     searches, block moves, etc. (see the
        F9          F10             "help edit" screen).
            edit        ed     
            edit        ed          --- Ctrl-c exits to DESIRE ---
            --- hit space bar for next screen ---

----------------------------------------------------------------------------
TYPING ANY KEY ADVANCES HELP SCREEN.  TYPE CONTROL-c TO STOP SEQUENCE.
----------------------------------------------------------------------------

         CURRENTLY AVAILABLE "HELP" SCREENS    (type "help filespec")

help menu     :  this is an ACTIVE help screen (pulldown menu)
help program  :  DESIRE Commands and Program Entry
help edit     :  Line Editor, Full Screen Editor
help files    :  Program Storage, Retrieval, Listing - Problem Identification
help proc     :  Procedures and Functions
help types    :  Data Types: REAL, INTEGER, and COMPLEX Variables and Arrays
help if       :  if/else/proceed
help loops    :  Loops: for/next, while/end while, and repeat/until
help fun      :  Library Functions
help nonlin   :  Limiters, Switches for Nonlinear Transfer Characteristics

    DESIRE lets you ADD YOUR OWN CUSTOM HELP SCREENS, including ACTIVE help
    screens (pulldown menus).  Help screens can include line drawings to
    illustrate your programs.  The following screens may be useful (please
    refer to your manual).

      Automatic Graph Plotting
      Display Commands.  Printing Graphs and Tables
      Automatic Display Scaling
      go to and Symbolic Labels
      Using COMPLEX Variables and Functions
      MATRIX, VECTOR, and DOT Operations
      Matrix Inversion and Solution of Linear Equations
      Fast Fourier Transforms and Convolutions
      Connecting/disconnecting Devices and Files
      write (print), input, data, read, and restore Operations
      Differential Equations (compiled DYNAMIC segment)
      Integration Rules
      Difference Equations, Array Operations, Function Storage
      Table-lookup/interpolation Function Generation
      Time-history (stash) Files and Notebook Files
      Multiple DYNAMIC Program Segments
      Trace and Dump Facilities
      User-generated Functions and Sub-model MACROs
      Combining Program Segments through "load" Operations
      Miscellaneous Operations

