NAME
  LBOUND, UBOUND Functions

SYNOPSIS
  LBOUND(array[,dimension%])
  UBOUND(array[,dimension%])
      o array         The name of the array.
      o dimension%    Indicates the array dimension whose lower or upper
                      bound is returned. Use 1 for the first dimension, 2
                      for the second dimension, etc. The default is 1.

DESCRIPTION
  Return the lower and upper bound (smallest or largest available subscript)
  for the specified array dimension.

  Example:
      DIM a%(1 TO 3, 2 TO 7)
      PRINT LBOUND(a%, 1), UBOUND(a%, 2)

SEE ALSO
  DIM REDIM