Installation notes for GSAS with the EXPGUI GUI for Windows-95 and -NT

Note that this is experimental software and these instructions have gotten only minimal testing. Report problems to Brian Toby

1. Download the following files:

You can put these .EXE files anywhere on your computer, but make a note of the locations for steps 2 and 4, below.

2. Run the programs

3. Create a shortcut:

4. Delete the downloaded .exe files to save space (optional)


More information about EXPGUI, including information on how it can be customized, can be found on web pages expgui.html and expgui_cfg.html, found in the \gsas\expgui\doc directory.


1. Can I use a different version of Tcl/Tk than the one here? 2. Do I need to modify the PATH, etc in my AUTOEXEC.BAT file? 3. What versions of Windows can I use?


The version of Tcl/Tk here was compiled by Mumit Khan and the Winexec package, which is needed to allow Tcl/Tk to run the GSAS DOS .exe files was created by Michael I. Schwartz.

GSAS is written by Allen C. Larson and Robert B. Von Dreele, MS-H805, Los Alamos National Laboratory, Los Alamos, NM 87545. Problems, questions or kudos concerning GSAS should be sent to Robert B. Von Dreele at

GSAS is Copyright, 1984-1997, The Regents of the University of California. The GSAS software was produced under a U.S. Government contract (W-7405-ENG-36) by the Los Alamos National Laboratory, which is operated by the University of California for the U.S. Department of Energy. The U.S. Government is licensed to use, reproduce, and distribute this software. Permission is granted to the public to copy and use this software without charge, provided that this notice and any statement of authorship are reproduced on all copies. Neither the Government nor the University makes any warranty, express or implied, or assumes any liability or responsibility for the use of this software.

EXPGUI is written by Brian H. Toby of the NIST Center for Neutron Research, Brian.Toby@NIST.GOV with help from Jonathan Wasserman.

EXPGUI is not subject to copyright. Have fun with it.

Neither the U.S. Government nor any author makes any warranty, expressed or implied, or assumes any liability or responsibility for the use of this information or the software described here. Brand names cited here are used for identification purposes and do not consitute an endorsement by NIST.

Brian Toby (Brian.Toby@NIST.GOV)
$Revision: 65 $ $Date: 2009-12-04 22:59:49 +0000 (Fri, 04 Dec 2009) $