[Bob Ross]

Originally Posted by richmondjames

I am on a Mac so I cannot use Modecalc.

Try this:
http://www.marktaw.com/recording/Aco...WaveCalcu.html

or this:
http://www.hunecke.de/english/calcul...igenmodes.html


I've also got a really sexy Excel spreadsheet made by the guys at One On One Technical Products that I could email you if those prove inadequate.