Title: Least Squares Unit Cell Refinement with Indexing on the Personal Computer LSUCRIPC KeyWords: Powder Diffraction, Unit Cell Refinement Computer: PC, XY, AT Operating System: MS(PC)-DOS Programming Language: TURBO Pascal Hardware: 192K memory, 1 diskette drive, math coproc.(recommended) Author: Roy Garvey Correspondence Address: Department of Chemistry North Dakota State University Fargo, ND 58105-5516 Abstract: L S U C R I P C A computer program implementing the procedure of Appleman and Evans (1973) is now available for the IBM-PC. Output of refinement data has been condensed for economy of presentation. For a discussion of methodology, see the USGS-GD-73-003 report number 20 by Appleman and Evans (1973). ---------------------------------------------------------------------------