• Requires Sigmaplot 2000 or Higher (fully tested with Sigmaplot 2001)
• Uses a Program-Independent DLL Subroutine Library developed locally
• Easy to use for either students or researchers.
• Incorporates Uncertainties in both X and Y : Algorithm by M. Lybanon (Am. J. Phys., 52, 22, 1984)

Please contact me (huber@gac.edu) if you download and are using this package.  This will allow us to keep a mailing list to let you know of updates in the package.  Also, please give me any feedback on how this is working for your application or changes that you would like to see.

Download the file Modelfit.zip and expand it to a directory C:\Modelfit.  The Readme.Txt file describes how to install and use the package with an existing installation of Sigmaplot

        Newest Version of the Package: August 2008

Click for Modelfit User Interface  or  Sample Modelfit Graph

Thomas Huber and Steven Mellema
Physics Department
Gustavus Adolphus College
St. Peter, MN 56082
August 20, 2008.