I had to give back a loaned TI-83+ in June, and I purchased a TI-89 to replace it. I've figured out how to do most things, except these two which are really annoying me:<BR><BR>1. Cubic and higher ...

Even though Texas Instruments were the first company to produce an integrated circuit and a microprocessor, their success as a company in the 60s and 70s was not guaranteed. At the time there wasn’t ...

Yes, the TI-89 can graph in 3D, and it can also factor. It can do numeric AND symbolic differentiation and intergration. It is God in calculator form. I doubt I would have had a 5 on the AP Calc. test ...

Many high school students need to use a graphing calculator for math and science classes and for parts of the SAT and ACT—sure, a laptop would work, but they’re not allowed because teachers and ...

Which Texas Instruments calculator is best? Even though our teachers were wrong, that we would, in fact, have a calculator on us at all times for double-checking that two plus two equals four, there’s ...