
    RETURN     Steps ahead with no change unless you enter new data.
    BACKSPACE  Steps back with no change unless you enter new data.
    Quit       Saves your data and terminates this program.
    Clear      Clears out your old data so you can enter new information.
    Display    Displays a screen report of your results.
    Print      Allows you to print a written report.
    Setup      Allows you to enter new constants to compute your results.
    F1         Displays this help screen. ( F2 goes back to the program)


    Full word processing functions with your "keypad" is available.
        ^<- = word left       <- = character left
        ^-> = word right      -> = character right
         ^T = delete word    Del = delete character
         ^Y = delete line   PgDn = skip forward
        Ins = insert        PgUp = skip backward

    Note: the ^ mark means you press the control key and the letter

