Jim, I have a spreadsheet for the DiffEq expansion technique in the azimuth-projectel-nino/Excel directory.

Need to run the Solver (evolutionary mode only) against the CC entry . Then you can get results as in [Comment #44](http://forum.azimuthproject.org/discussion/comment/14498/#Comment_14498). It is setup conceptually very similar to Eureqa but not every one has access to Eureqa, so if you want to see what you can do with it ...