Still, I feel like the $100-$150 that I would spend on a calculator with a CAS is a fairly small investment in the long run. That's definitely not the answer I was expecting based on what I've read elsewhere. Anyone know if there is a TI-89 Titanium or Nspire emulator? Would be nice to try them all out first. I downloaded an emulator for the 50G, but I'm not sure if such a thing exists for the TI calcs. All other things being equal, I would go with the 50G for RPN, but I wanted to get some opinions here first.
He also said he had never personally used the feature, so maybe someone can confirm this? I've also heard that the screen resolution is somewhat low on the 50G. A friend with an Nspire was saying that there is an option to show step-by-step solutions of calculus functions in the CAS. I would like to know how the CAS system on the 50G stakes up with the similarly priced TI-89 Titanium or a member of the Nspire family. I've used RPN with xcalc on my pc and this is definitely a great feature. My TI-84 often rounds some of the ridiculously small numbers to 0, while my teacher's basic HP scientific does just fine, so this seems like a good time to pull the trigger and upgrade. I've been throwing around the possibility of buying a CAS calculator for a while, but I'm taking a semiconductor physics course right now which covers quantum mechanics.
I'm a third year ECE student and I'm planning on upgrading my TI-84.
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