![]() ![]() ![]() If you're willing and able to read the manual for yourself, then get whatever calculator you like. Many companies produce perfectly nice calculators, but textbooks and teachers usually push the Texas Instruments TI-83 or -84. If the only specification is that you are to get "a graphing utility", then the choice is up to you. And their owners manuals tend to be the size of small textbooks. Note that many (most?) instructors, especially at the high-school level, don't know how to use the TI-86, -89, or -92, or the Voyage 200, so you'll be on your own when it comes to learning how to use them. However, it would still be a good idea to check first. For some reason, though the TI-89 has many of the same capabilities that are getting the TI-92 / Voyage 200 banned, the TI-89 is generally allowed. It's hard to beat "free".ĭo NOT get a TI-92, nor its update, the Voyage 200, unless you have verified that your school allows them many schools have banned them. On a related note, you may be able to download and install a TI-84 emulator on your phone. The above comments reflect my personal experience. On the other hand, I have heard from experienced users that installation and use is not always problematic. So I would recommend the TI-84 (over the TI-83) for the updated capabilities, but don't be surprised if there are occasionally (rarely, if ever) issues. ![]() Much of the manual is accessible only through the CD that comes with the calculator, calculator-to-computer connectivity relies on USB ports, and you may need to download and install a 23-meg Micro$oft program (.NET Framework) to get the computer side of the calculator to work. The TI-84 seems to assume that you have reliable access to a desktop computer. (Note: There are some slight differences between the various Texas Instruments models. That is to say, the TI-84 will allow you to do more, while still remaining largely keystroke compatible with the TI-83 that your teacher may still be using.If you are supposed to get a TI-83, you might want to look at spending a little more to get the TI-84. The TI-84 is an update of their TI-83 which incorporates additional capabilities (increased memory, computer connectivity, default apps, etc) but which is backwards compatible with the TI-83. If you are supposed to get a "Texas Instruments graphing utility", then you would probably want one of the calculators from their line of TI-84 models. Landscape mode is the scientific calculator portrait mode is the checkbook calculator.) Graphing calculators: Texas Instruments If you're in portrait mode, the keys are few and simple if you're in landscape mode, there are *so* many more keys and options. (The alternative to scientific calculators used to be what were called "checkbook" calculators. This is a very helpful key, and will speed up fraction addition, simplification, and conversion. ![]()
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