The zip archive MIX.ZIP contains limited documentation (README), source code (Turbo Pascal), executable file, and test data files for statistically testing hypotheses concerning RT mixture distributions. If you do not already have it, you will need to download unzip.exe and execute the following command within the desired directory: unzip mix This will unpack the zip file and make the documentation readable by any text editor. Send email to yantis@jhu.edu if you have questions.