Title: TFA (v1.3) (7/89) Keywords: XEDS, Thin Film Analysis Computer: Apple Macintosh Operating System: MacOS Programming Language: No source Hardware Requirements: Math chip. Author(s): Martin J. Carr or Alton D. Romig, Jr. Correspondence Address: Martin J. Carr or Alton D. Romig, Jr. Sandia National Laboratories Division 1822 Albuquerque, New Mexico 87185 Abstract: Performs Cliff-Lorimer quantitative thin film x-ray compositional analysis according to an algorithm developed by A.D.Romig,Jr. and described in general in report #SAND82-2938 by Sandia National Laboratories. Earlier versions of this program, written in FORTRAN for the VAX & IBM PC were named 'STEM'.