But with the Mac version of those programs, I had no reliable way to get them into the Palm operating system. Consultant did the trick. The Palm datebook works well. But it's not conducive to jotting a quick reminder note because you have to navigate through several windows to set an alarm. But DiddleBug 2.10 does the same thing for free.
More advanced users can go to another screen that allows any increment of time.
Its drawing tools let you make perfect geometrical shapes. The limitation is you can only enter reminders seven days ahead. The Web offers plenty of calculators for Palm devices. Yet you can do present and future value, and discounted cash-flow analysis, among other things. You'd think figuring a tip would be easy.