dAnalytics
dAnalytics is a software made for education in discriminant analysis.
...You input a file with two columns (one for each variable) and tryout different separations of populations (blue and red) and analyze it's efficiency by observing the eigen value result for the attempted separation. It also gives many information about the statistics both of the input and the separated populations.
There's a documentation folder in the software which brings a quick start guide for this software.