LEFT$ - a string processing function that returns a string consisting
        of the leftmost n characters of a string
 
Syntax
  LEFT$(stringexpression,n)
    - stringexpression is a string constant, string variable, or string
      expression
    - n, a numeric expression, must have a value between 0 and 32,767.
      If n is zero, the null string (a zero-length string) is returned.
 
See Also  <MID$ FUNCTION> - to see how to extract n characters from the
                            middle of a screen
          <RIGHT$> - to see how to extract the n right-most characters