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Electronics : Texas Instruments TI-89 Titanium Graphing Calculator

Rating: 4 out of 5 stars - Good if you need it but most don't
If you are taking engineering, statistics, or finance this will be very handy, but if you can get by with something less, try to until TI fixes this one. I find myself using a Sharp EL-506W at 1/10th the price more often than this because even though the keys are smaller on the Sharp, basic calculator functionality is much more readily available on the Sharp and the keys are easier to see.

Programmable calculators were just coming out when I was in college so I waited until the price dropped and I really needed it before getting one. Turned out I got my BS in physics and my MA in math without needing one. Then I worked for a while without needing one. I also got 98th and 99th percentile on my SATs and GREs without one. If you are a dad who wants to show your love for your kid by buying them a fancy gadget get an MP3 player.

I got this for a class in number theory because it handles very, very, large digit numbers. After that class is done I'm selling it.

FIXES NEEDED: TI could fix the 89-Titanium by:

1. power adaptor and backlit screen (big one)
2. much better contrast face plate (Ti-84 has them for 7 bucks)
3. more functions out where you can get them.
4. solar power panel (not a biggie)

Everyone has complained about features 1 and 2 since the Tiranium came out so I have to believe TI will fix it soon.

Rating:

- very capable tool
Got this for my son's freshman year. College recommended TI83+, thought I might as well upgrade for just a few bucks more. Guess what; prof. said that version was not allowed. Guess it did too much of the work for the student. Could see that for high school, but college? My son now has the 83+.

Rating:

- Just a few things... (updated review)
The things preventing me from giving this a 5 is these:

- The text in display is too small, I would like it as big is on the ti-83 calc.

- When you turn it on, the screen doesnt pop up immidiantely, it takes ~2 sek, leaving an unsatisfied feeling.

- The cover is opened in the wrong direction, its more imortant to protect the screen side than the button side.

Otherwise, it is a good flashy little toy that makes all the regular ti83 owners go: "Oh, cool, what is that?" =)

Rating:

- Powerful Calculator; Highly Recommend
Great Aspects:

With tons of RAM and powerful functions/calculations, this calculator can't be beat; think of it as a really souped-up TI-83 Plus. It is also very easy to edit/re-use past calculations. The ability to hook up to a PC via the provided USB cable and software can prove to be very useful as well as the ability hook up with other TI-89's (again, the cable is provided). Anybody taking calculus or a subsequent course should strongly consider this calculator (especially if you're in the later courses).

While not really relating to school or math, this calculator is capable of running some really cool games.

Downside:

It takes time to learn how to use all of its programs and functions. Sometimes, you have to go through some pretty complicated processes to do some fairly basic functions. Don't throw away your manual. Buttons are on the small side and it is sometimes hard to read buttons (especially the alternate, "2nd," button functions). If you're not taking calculus or a higher-level course, you don't need this calculator, particularly since it's not cheap.

Summary:

The TI-89 Titantium is an exceptionally useful tool for those entering math/science fields, starting with calculus. For those who just take math courses because they have to (for graduation requirements), this calculator isn't worth the investment.
Highly Recommend.

Rating:

- Versatile Calculator
This is a great calculator for the advanced maths. However, I'm new to using this kind of calculator and need a separate class to learn how to use this.

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Lichenology
from: Texas Instruments
My Man Godfrey
Binding: Electronics
Brand: Texas Instruments
Color: BLACK
EAN: 0490800100329
Format: CD
Label: Texas Instruments
Manufacturer: Texas Instruments
Model: TI-89
Number Of Items: 1
Publication Date: 2004
Publisher: Texas Instruments
Release Date: June 01, 2004
Studio: Texas Instruments
MPN: TI-89
Trey Parker

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Electronics : Texas Instruments TI-89 Titanium Graphing Calculator