![]() ![]() Also the higher resolution LED screen with a black light is really nice, and I love that it makes complicated mathematical expressions easily readable and editable. What I really love about the nSpire is once you get a feel for the UI, it's really easy and quick to navigate. If I'm doing something pretty complicated then I usually just do it in MATLAB. I believe it has a few more features than the TI-89, but I don't really use it for much that I wouldn't do on my TI-89. I got the nSpire my freshmen year of college and I have loved it ever since I got it. I had a TI-89 for my junior and senior year of high school and loved it, it was a fair amount more capable than my classmates' TI-83s and TI-84s, you could compute derivatives and integrals and whatnot which was nice, but also made it so I couldn't use it on the test in my calc 1 class. Not an engineering student but I'm a Junior in Physics. Take the money you save and get a decent tablet which is more capable and useful. ![]() Because again honestly the 89/hand calculator model is pretty obsolete and there are many more capable options now. If you are going to be in school for a few years it is worth a serious look. And if we're honest you can torrent textbooks and it can pay for itself in a semester. It can more or less replace my calculator while offering a decent option for a computer/ engi pad and saves on carrying textbooks. The thing I would recommend for school though is a tablet w stylus (like a Samsung note 10.1). An older 89 will be just as effective as a newer one but 1/6 the price and honestly I RARELY see anyone who knows how to use their calculator properly anyway. That said you probably do not need anything that expansive for daily use. So if you are willing to learn it and spend the money the nSpire could be worth it. Personally I like the 89 but the color display of the nSpire could be.maybe useful? The nSpire may have some programming options that could be a bit more useful. Some of the best money I have ever spent. I picked up an older Ti-89 off ebay for $25. ![]()
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