I use to use this package under OS 10.4 and it is a fantastic program. I think someone got a PhD out of it a while back. But the problem is the most recent series of releases makes it only available to OS 10.5. Even though the description says it runs out of the box on OS 10.2 or later. But that is counteracted later by saying OS 10.5.

It would be great if it could be released in a form that allows it to run under OS 10.4. Why they haven't done that is beyond me.