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Do you need a basic graphing calculator for cheap? This will work for a lot of uses from algebra to calculus. No, it is not as nice as the 83 or 84, but it has a lot of the same features. I'm a high school math teacher, and I have bought a few of these for "loaners" for my classroom. I would recommend an 82 over an 85 or 86, but 83s (even older ones) are a bit better, but cost more. If a student is familiar with an 83 or 84, the menus and usability are closer to the 82 over an 85 or 86. I have the darnedest time trying to find stuff in the 85 menus. The 82 can do anything needed on any ACT, SAT, and AP Calc test. The drawbacks: I have found a few features that aren't as convenient on the 82 as they are on the 83 or 84. Like when using sin and log functions, the 83 opens a parenthesis, while the 82 does not. While it doesn't seem like a big deal, some students don't think about what order of operations they want the calculator to do (and they are used to 83s putting that parenthesis in), so they sometimes get a wrong answer or graph because of USER ERROR. Also, while tracing a graph, 83s allow you to input the exact x value you want to trace at (along with tracing left and right), while the 82 only allows you to move the tracer left and right. And lastly, if a math or science teacher is going to use programs that will need to be downloaded, it is less convenient because you cannot transfer from an 83 to an 82, although you MAY be able to find a comparable program online or you can type it in yourself, neither of those options are very appealing to the average high school student. As far as memory capacity, I've never seen anyone get near to filling the memory of any calculator unless they download a TON of games.Vollständige Rezension lesen
Why buy a TI-82 when there are so many better calculators out there; like the mega cool TI-89 Titanium? The short answer is price! Nowadays you can find a used TI-82 going for under $20.00. Significantly cheaper than any of its descendants. It doesn't have as much memory, and its short on the bells and whistles, but it's still very powerful for the average user. It's simplicity can actually be a bonus for many users who don't need as many built in functions; and if you know what you're doing, you can make it do most of the fancy stuff anyways. For added functionality, you can download many programs for free! If you can't find a program that does what you want, the TI-basic programming language is simple enough to write your own custom programs, making redundant or lengthy calculations a breeze. The TI-82 is simple enough to keep you from being overwhelmed, but has plenty of potential power when you need it. I would recommend it for any high school or most college courses. If your major area of study is likely to involve frequent and complex computations, like engineering or chemistry, then you might want to make the investment in a TI-83 or better. If you just need to get through a class or two, the TI-82 will be very helpful without breaking your pocketbook!Vollständige Rezension lesen
It my dream I studded in institute….. more then 10 years ago! Now it is useful for my sci.work and checking tasks of my cadets. Grate advantage of Ti – 82 is graphic display. You can quickly estimate the curves. For easy tasks and estimating calculations Ti – 82 more suitable then PDA with math soft. And price is very low . The grate disadvantage of calculator there is no complex numerous processor (like on Ti - 85). It makes very difficult electrotechnical calculations of AC electric circuits.
If you can get your hands on a newest-model ti82 (the most common, with the clearest display) with no screen issues, you may be set for your advanced math course. Writing programs on it is easy if anyone's interested, and is a good supplement for the occasion that its missing some features that would be introduced in later TI calculators. The battery life is ok, and it's decently fast. Nowadays i wouldnt pay more than 15 dollars for one though.
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Good graphing features. Easy to move from this calculator to learning how to use the newer TI-83 and 89 models. Sometimes the screens on these calculators have small 1 pixel blank vertical lines as they get older, but you can still read the displays in almost all cases.
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