Sorry for all the weird, specific questions. I'm just a bit of a hardware snob in general - I like nice tools - but my usual expertise and hobbies don't include advanced math. Maybe I should just pass this thing on, since I'm not sure when I would ever need it - it just felt like a good tool to have on hand.Even if I was able to go back to university, I still don't think I would need this thing for software engineering or computer science. And I'm also no longer in education, so for those rare times I do need a calculator, I usually reach for either of my Casio scientific calculators. I grew up with the TI-83 and 84, so in comparison to those, the nspire feels rather overwhelming. Is there much difference between 4.5.3 and 4.5.4? Is it implied that ndless will flash non-CAS firmwares to the CAS variant? Is there a way for it to maintain ndless between reboots, or do I just have to keep it charged and in hibernation all the time, similar to old PSP jailbreaks? Is it even worthwhile, considering I've never actually used this calculator in the time I've owned it? I have a few concerns about that, even if I do go through with it. But I'm unsure if I can (or even should) just upgrade from 3.1 all the way to 4.5 using ndless? Do I need to upgrade incrementally? Or is it as simple as uh, I think upgrading the firmware to 4.5.x from TI, then dropping the relevant ndless. From what I can tell, there aren't any massive new features, but unit conversion would be nice (4.5, evidently). I admittedly don't really have any reason to, but it just popped in mind that I might see if there are any major updates. Currently installed is firmware 3.1.0.392. I don't remember exactly when I bought it (on eBay from a Texas school district), but I think shortly after, I upgraded it to the CAS-capable firmware, possibly using nlaunch as there's already an empty folder with that name. Hi there, I've got a school surplus nspire CX that I'm curious about upgrading.
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