Many high school math teachers now require students purchase a TI-83 or TI-83+ calculator before setting foot in their classes. In those classes, the teachers base their lectures and tests around the use of this calculator. Thus, the TI-83 has become a necessity! Even when it's not required, the TI-83 is still very helpful on tests. You can see all the numbers you type on the screen, so you no longer have to make careless mistakes and typos. It can also hold various programs and games (which you can download). Many of the programs can help you solve complicated math problems, and you can even write the programs yourself. That said, I bought my TI-83+ only a few years ago, and it recently stopped turning on for no reason. The screen is completely blank, even with new batteries. I guess I expected something that cost a hundred bucks to last a bit longer.Get more detail about Texas Instruments TI-83 Plus Graphing Calculator.
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