Texas Instruments TI-89 Titanium Graphing Calculator | 
| Brand: Texas Instruments
Category: CE
List Price: $199.99
Buy New: $122.74
You Save: $77.25 (39%)
New (27) Used (11) from $93.95
Avg. Customer Rating:  127 reviews
Format: Cd
ESRB: Adults Only
Media: Electronics
Autographed: No
Memorabilia: No
Batteries Included: No
Operating System: N/A
Shipping Weight (lbs): 3
Dimensions (in): 10.5 x 7.5 x 2.1
MPN: TI-89
Model: TI-89
UPC: 033317192038
EAN: 0490800100329
ASIN: B0001EMLZ2
Publication Date: 2004
Availability: Usually ships in 1-2 business days
Shipping: Expedited shipping available
Condition: FREE USPS DELIVERY CONFIRMATION! BRAND NEW FACTORY SEALED!
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| Features:
| • | Graphing calculator handles calculus, algebra, matrices, and statistical functions | | • | 188 KB RAM and 2.7 MB flash memory for speed; plenty of storage for functions, programs, data | | • | Large 100 x 160 pixel display for split-screen views | | • | USB on-the-go technology for file sharing with other calculators and connecting with PCs | | • | Backed by 1-year warranty |
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Product Description
Includes USB unit-to-unit cable, Connectivity Cable for other TI units and connection software, operating manual Doing complex calculations on a scientific calculator is much easier with the TI 89. Its large screen offers the ability to generate graphs that can illustrate your conclusions. It's especially helpful with statistic functions, such as regression analysis. The TI-89 Titanium includes all the built in functionality and power of the original TI-89. It has an increased amount of Flash ROM 500KB, quite powerful for a traditional handheld design. This is TI's most sophisticated calculator, with such features as 3D graphing, upgradable flash ROM, built-in assembly language programming, and a generous amount of user-available memory. It now includes a mini USB port. This portable symbolic, numeric, and graphing calculator is perfect for advanced mathematics and engineering applications for college and advanced coursework. Its built-in USB port makes data transfer ultra-convenient. Built-in Flash memory for archiving data(2.7MB) Finance tools, Organizer, Polynomial Root Finder, Simultaneous Equation Solver, and many more apps Fully upgradeable (electronically) through its Flash ROM chip (optional TI Graph-Link required) Computer Algebra System, differential equations, 2D-graphing and data analysis, 3D-graphing with rotations, linear algebra, interactive numeric solver, constants, unit conversions, statistical regressions Optional Assembler language Mathematical expressions appear on the display the same way as they are usually written in class or in published texts and academic journals StudyCards and Symbolic Math Guide for helping students learn more effectively Preloaded with Official AP Calculus exam review questions Built-in USB port for easy data transfer between handhelds - The TI Connect allows rapid data transfer to computers
Amazon.com Product Description
This advanced graphing calculator is packed with more features than you might know how to use. The TI-89 Titanium lets you perform the expected functions of an advanced model--basic math, algebra, calculus, graphs, matrices, and statistical functions--and do cool stuff like creating animations, graphing 3-D rotations, and plotting contours. Graphing functions include basic function graphing, parametric graphing, polar graphing, sequence graphing, 3-D graphing, and differential-equation graphing. Additionally, the TI-89 Titanium includes symbolic manipulation, constants and measurement units, statistics and data plots, a numeric solver, a text editor, programming capabilities, tables, a split-screen function, variable management, and the ability to link to other calculators or a computer. The TI-89 Titanium's flash technology allows you to upgrade to future software versions without having to continually invest in new calculators. The 188 KB of RAM, combined with an impressive 2.7 MB of flash memory (three times the memory of the TI-89), are more than sufficient for your stored functions, programs, and data, and add welcome speed to go with the TI's reliability. You can create custom menus or use the default menu. Another cool feature is the Program Editor, which gives you the ability to write custom applications.  The large LCD is adjustable to your environment and can be viewed clearly under a variety of lighting conditions. The calculator also comes with an input/output port and cable, letting you synch up with other TI-89s or TI-92s, as well as a USB port and cable. An attached, hard slide cover protects the calculator from getting knocked around in your backpack. The manual that ships with the TI-89 Titanium is a killer, presenting over 500 pages of clear, concise definitions, function explanations, examples, drawings, and appendices. It's divided into well-organized chapters that cover all the major features of the calculator. What's in the Box
The TI-89 Titanium, a hard sliding case, a silver oxide battery, a user's guide, an applications CD-ROM, a USB cable, a TI-link cable, and warranty information
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| Customer Reviews: Read 122 more reviews...
 Excellent product and service April 15, 2008
1 out of 1 found this review helpful
All expectations were accomplished with this product. Excellent for post graduated studies in engineering, which is what it is being used for. Internet utilities are good and easy to get.
 TI-89 April 6, 2008
2 out of 2 found this review helpful
Be careful shopping for the TI-89! There are several different versions of the same model. Make sure that the USB cable comes with the calculator so you can connect to the computer and update etc. The cable will cost you another twenty dollars seperatley.
 T-92 a little better April 5, 2008
1 out of 1 found this review helpful
While a ti-92 and a t-89 have the same functionality, the qwerty keyboard on the ti-92 is the only thing I miss. This calculator is a must have for advanced chemistry and calculus.
it's still in good shape March 30, 2008
0 out of 1 found this review helpful
it's still in good condition when it arrived but the deliver time is different from the scheduled one
Found my mistress! March 26, 2008
1 out of 1 found this review helpful
From slide rulers to Ti-89's, let me tell you! Even my proessor wanted to use it! Long story short, I have never owned a graphing calculator until now. I am auditing a calculus class this summer and needed something more powerful than my Casio fx-115ES (which is sweet, BTW). My Casio can integrate, but not do diff Q's.
Well, let me start by price. My friends all suggested I bought and used a Ti-86 or even a Ti-85 unless I was going into a technical major. Surprise, surprise, I'm an engineer major. I figured if I was going to shell out over $100 on a calculator, I should choose the best available. Needless to say, everyone knew about the Ti-89. I showed it to my math professor who had the same reaction as me (think a kid on Christmas morning opening his gifts). The first thing he asked was "How much was it?" I told him I paid $140 clams and he said "Wow! How'd you get it so cheap?" It wasn't just him though. I showed my buddy in AutoCAD and he was astonished by the price as well.
Next is features. I loved the fact that it came with an instruction booklet and the batteries. It let me jump into playing with it the minute I got it. The book is about the size of a video game manual (assuming a modern-day RPG). There is a lot to read and I am still reading it. It's not too hard to figure some things out assuming you're rather savvy with electronics and have some free time on your hands. I learned to graph polynomial functions while walking to class! Italready has pre-loaded apps, but I will ask around and get some more when I finally have a chance (and some sleep), since several apps are useful for certain classes.
Next is size. I know graphing calculators are big, but wow! It doesn't fit in my pockets, that's for sure! I usually stick it in my backpack or in my cargo pockets on days when I have those kinds of pants.
Finally, utility. As I am still using it and figuring it out, it seems to do basically anything I need it to do. I am contemplating buying the Dummies' book for it since that might tell me something the instruction booklet omits, plus they often have tips within!
Overall, I would say it is a must-buy. Most of my friends (90% engineer majors) have older models and would kill for a Ti-89. It is a steal at some prices and I love the fact that even my math professor was impressed and asked me if I could bring it by his office sometime. I love calculators and this seems to be the best out there. If you don't want to break the bank, but want something good, try the aforementioned calculator (Casio) since it worked great for me!
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