VMS Help FORTRAN, Intrinsic Procedures, NOT  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  NOT (integer)

  A function that complements each bit of the argument.
  +------+---------+----------+------------+-------------+
  | Args | Generic | Specific |  Argument  | Result Type |
  +------+---------+----------+------------+-------------+
  |  1   |  NOT    | INOT     | INTEGER*2  | INTEGER*2   |
  |      |         | JNOT     | INTEGER*4  | INTEGER*4   |
  +------+---------+----------+------------+-------------+