Thanks for your reply and suggestions - much appreciated. I didn't know about FormulaPro and it certainly looks rather useful. Committing a lot of that stuff to memory is rather tiresome.
I've just ordered a CX CAS and I figure if I don't like it, I'll just eBay it and buy a TI89.
Hi all - couldn't find another suitable place to post this on the Internet...
My TI92 died last week after 15 years of use (OK I killed it with coffee), and I thought I'd just try and get by with Wolfram Alpha but it's just clunky and horrible. I'm currently using my spare TI86 which lacks a...