Texas Instruments TI-89 Titanium Graphing Calculator | 
 enlarge | Brand: Texas Instruments
Category: CE
List Price: $199.99
Buy Used: $96.99
You Save: $103.00 (52%)
New (42) Used (37) Refurbished (1) from $96.99
Rating:  155 reviews
Format: Cd
Color: BLACK
Media: Electronics
Autographed: No
Memorabilia: No
Number Of Items: 1
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
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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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| Editorial Reviews:
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
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
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| Customer Reviews: Read 150 more reviews...
 Great Calculator June 15, 2004
Michael Mazack (Washington State)
275 out of 279 found this review helpful
Before I bought a TI-89 Titanium, I had used a TI-83 Plus for four years. After taking calculus and learning about limits, derivatives, integrals, infinite series, Taylor series, differential equations, and multivariable functions, I decided that I would look for a calculator which was capable of symbolic computation. After analyzing my options, I decided on a TI-89 Titanium. The TI-89 Titanium is able to expand polynomials, factor polynomials, and do all of the calculus techniques that I mentioned -- symbolically and numerically. One of the other things I found helpful was the TI-89 Titanium's ability to plot direction fields using different algorithms (including Euler's method). One of the nicer things about this model (compared to the TI-89) is that it has USB connectivity (cord included) for installing applications and transferring data. Another nice thing is that it also supports connectivity to older model TI-89s via the old I/O port which is right next to the USB connector. I also found the "exact mode" very useful (exact mode will give you exact answers rather than decimal approximations). Yet, the most useful feature of this calculator is probably the "pretty print" feature which displays expressions as you would normally write them on paper. This feature allows you to easily see the expression that you typed in. All these features plus copy and paste ability make this calculator nearly perfect. My only complaint is that the cover does not initially slide on and off easily. However, I'm sure that with more use it will wear in. Overall this is a great calculator -- I recommend it
Powerful, so powerful November 6, 2004
Y. Shin (Gardena, CA United States)
136 out of 145 found this review helpful
This is the most powerful scientific calculator in its class.
If you're majoring in Engineering, or plan to major it, then you must get this one (or regular Ti-89)
If you buy anything else for cheaper price, you'll have to spend $150 more to get this later anyway. (like me)
However if your Math class will end up in Calculus or Algebra(i.e. if you're not going to learn Diff. equation or harder), you don't really need this, you will just waste extra $70 for the features that you will never use (or features that aren't allowed to use in exam)
So think logically. It's really cool looking calculator and it got best software/hardware in the world.
But if one is going to use it for simple graphic or solving polynomial equations, then it's really like simulating windows and playing Doom3 on NEC Earth Simulator..
Used Ti-83 will do as good for those..
For calculus and beyond, perfect! Anything below calculus, this is too much! June 23, 2006
D. Bezboruah (Los Angeles, CA United States)
70 out of 72 found this review helpful
After using a TI-83 Plus calculator for the last 5 years, I decided to upgrade to the TI-89 Titanium. This calculator is unbelievable in its features and power. First of all, it is more suited for advanced math, such as calculus and beyond. This calculator is NOT meant for high schoolers who are taking algebra, geometry or trig classes. If you don't know what a derivative or an integral is, then save your money and buy a TI-84 instead. (Besides, I believe most high school math teachers ban the TI-89 on tests) This calculator can also run programs in its Flash memory, which can be downloaded from the TI website. A USB cable is included standard. TI has made the newly designed sliding cover much more secure than the old TI design (TI-83 plus, TI-86, TI-89 regular), whose sliding cover was not very secure and became looser over continued use. The cover is very hard to get off the first few times (I was almost afraid of breaking it off), but over time it has gotten easier. Switching over from the TI-83, the only problem I've encountered is the operation of this calculator is very different from the 83. The menus are different, the interface different, different buttons. It takes a while to get used to.
TI-89 Titanium For Statistics July 12, 2006
George Hartas (Chester, PA United States)
47 out of 49 found this review helpful
Pros:
- The display has a Pretty Print option (default), which is very helpful when inputting long formulas.
- Great for Statistics, which is why I bought it in the first place since that is my major in college.
Cons:
- This is important if you are a college student. The math and statistics books all refer to the TI-83 when explaining how to perform the calculations using a calculator. So while the teacher is talking out loud walking the students step by step on how to perform a calculation, you're sitting there with the most powerful calculator in the class and out of luck. Then you have to scramble flipping thru the menu items to match the menu path of the TI-83, AND you're trying to learn the math at the same time. That happened to me in a statistics class and that wasn't fun at all! So be prepared for the inevitable; this is your warning. I recommend you study the upcoming textbook chapter ahead of time and learn how to perform those functions before you get to class.
- PDF files exist to explain the Flash applications loaded on the TI-89 Titanium. Unfortunately they are not easily found on the TI website. To get the PDF's, you have to follow the menu path as if you want to download the application. Then on the web page where you download the application, the PDF is there. TI should have also have placed the PDF in the "Documentation" section of the website. If I had not updated the application, I would not have known the PDF existed. Make sure you download the PDF for the TI-89 Titanium, not the PDF for the TI-89. Some functions are different. For statistics, be sure to download the PDF "Statistics with List Editor Guidebook For TI-89".
General:
- I did the Operating System upgrade, but with a few bumps along the way. For example, I have Windows XP Pro SP2 on my PC and it doesn't recognize the driver when plugging in the USB cable. TI knows this and is part of the calculator-to-PC connection instructions on their website. So you'll have to uninstall the driver and then let Windows search for a driver. Eventually Windows found it but I got a horrific message saying the "Microsoft strongly recommends you backup before installing..." In fact, Windows set a System Restore point before installing the driver. The driver worked but why can't TI certify that driver with Microsoft so that message will not scare the heck out of the average user?
- Make sure you register before beginning the OS upgrade. You need to register to get any of the downloads, so do it as soon as you get the calculator.
- You'll notice that the dates listed in the "About..." menu in some of the Flash applications are almost the same as the dates listed on the TI website. Don't bother to download those because the applications are the same version. Don't know why TI lists a different date on the web page from the date displayed in the "About..." menu in some of the applications.
Hope all this helps,
George
a powerhouse August 23, 2004
+++ (CA, United States)
20 out of 21 found this review helpful
This calculator is a little wonder. Its most impressive feature is the symbolic algebra capability (the feature which lacks in TI-83) which allows one to factor and expand algebraic and trigonometric functions, solve quadratic equations, systems of equations, perform matrix manipulation, etc. I even think that it is a little dangerous for a high school student to have a calculator which such possibilities since at least half of algebra, trigonomtery, and calculus homework can be simply solved on this calculator without ever learning how to do this on paper. Mastering the calculator is time-consuming. The paper manual enclosed with the calculator is outright poor, but fortunately TI offers an extended version of the manual on their web site. Actually, there seem to be at least two versions of the manual, both from TI. One can be downloaded from the link on the Amazon page (scroll to the top of this page), the second one directly from the TI web site - go to http://education.ti.com, click on Support, and then on Guidebooks. Both of these electronic manuals are very good. The speed of the processor is sufficient in most cases, although graphing with small step size may take very long time.
The drawbacks of the calculator are obvious and almost every reviewer has already complained about them - second and third functions of the buttons are labelled in barely visible colors; the display lacks in contrast.
Aside from these minor things, the capabilities of this calculator are very impressive.
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