Quote Originally Posted by Quick Orange View Post
This is kind of off topic, but I've been wondering this for a while now- what's so great about HP calculators? I really like my TI 83, but I'm not nearly as die-hard as some of the HP users I've seen.
Much of it comes down to the Reverse Polish Notation instead of an algebraic order of operations. You get used to it, and you love it. They're also a reliable beast.

If the OP has a Pocket PC, he might want to consider calc98 at calculator.org.