Texas Instruments TI-89 Titanium Scientific Calculator

Review: In reality, the TI-89 is really more like a Palm Pilot than it is a calculator, given some of the features it has. For example, the TI-89 promises not to become obsolete quickly, due to its upgradability. Even without this feature, however, I doubt...

The Bottom Line: This calculator is expensive, but it's very helpful for students of advanced math. It's worth the high price, in my opinion.

Review: Calculators, in their numerous varieties, have been helping students solve mathematical problems for decades. Once a time- consuming process, math questions, both difficult and easy, can now be resolved in a matter of seconds, all with the push of a...

Review: The TI-89 is a very versatile tool. It combines hundreds of built in features including Symbolic Manipulation, Symbolic Differential Equation Solving, Linear Algebra, and 3-D Rotation and Contour Plots to name just a few. The enhanced 100 x 160...

Review: For all of you out there that have to have the best of everything, this is your calculator. Besides the TI-92, this is the best calculator Texas Instruments has to offer. I am going into my senior year as an Electrical Engineering Major and I...

Review: Yup, that's right, Texas Instruments has developed another graphing calculator for its TI-8* series. The TI-89 has a lot more features than its predecessors, and makes for one happy college student =)

The Good: Texas Instruments really has...

The Bottom Line: The Texas Instruments TI-89 is by far the best calculator in the TI-8X series. It's like a God for high school and college!

Review: The Texas Instruments TI-89 is the most expensive and advanced calculator in the TI-8X series. It's much more money than either the TI-83+ or TI-86. However, the difference in price is worth it when you see the capabilities that the Texas...

The Bottom Line: Recommended for anyone planning on taking calculus or higher math. It will be worth the investment.

Review: Lets face it: we live in a technological age. I am extremely reliant on my calculator, and most math classes nowadays are intensively calculator based. I agree that it is somewhat pathetic. I cannot image how people took calculus and other high...

The Bottom Line: This is an excellent tool for AP classes, but you will still have to know your math.

Review: Overview:

The TI-89 is undoubtedly the best calculator you can get. It has more memory, is faster, and has a better OS than the TI-83.

The Good News:

The TI-89 can run programs that are more demanding than the TI-83...

Review: The main problem with having a calculator like this one is that you may think you don't need to actually learn the math you are doing. This is a mistake, one that helped me fail second semester trig. Actually my total laziness is really to blame,...

The Bottom Line: I highly recommend this. If all math concepts you studied are mastered, this device can take time off problems.

Review: *Note: This review pertains to the TI-89 Titanium, which is newer than the regular TI89.*

What a calculator! In middle school math, I had a scientific calculator. Back then, scientific calculators seemed like the most advanced calculators...