MID$ - a string-processing function that returns a substring of a string
 
Syntax
  MID$(stringexpression,start[,length])
    - stringexpression identifies the string the substring is to be
      extracted from
    - start, a numeric expression that has an integer value between
      1 and 32,767, specifies the starting character position of the
      substring
    - length can be omitted if you want all the characters to the right
      of start
 
See Also  <MID$ STATEMENT>  <LEFT$>  <RIGHT$>  <LEN>