Open it, and copy each chapter, saving it as a text file (i.e. Art90.txt, Art100.txt, etc.) Time consuming, and would lack the "extras" of Adobe, but it might be the way to do it.
Jim, Where did you see it? I had a Palm program for box & pipe fill, motor calcs etc. but when the trial ran out I was not able to register it, even after emailing the writer who never responded. Brian