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Texas Instruments TI-89 Titanium Graphing Calculator | 
 enlarge | Brand: Texas Instruments
Category: CE
List Price: $190.00
Buy Used: $104.00
You Save: $86.00 (45%)
New (48) Used (18) from $104.00
Rating:  136 reviews
Format: Cd
Media: Electronics
Autographed: No
Memorabilia: No
Batteries Included: No
Operating System: N/A
Shipping Weight (lbs): 0
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: GREAT CONDITION !!! Includes Calculator, Front Protective Cover, Battery Cover , Manual/software on CD , USB Cable and UNIT to UNIT Cable !!! No Marks !! Choose Expedited shipping for 3-6 business days delivery !! Purchase with confidence !!
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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 131 more reviews...
 AS ADVERTISED August 27, 2008
Albert E. Mcneill (irmo, sc United States)
Item arrived within days of ordering. Excellent product with an outstanding price. Will buy from this seller again.aaa+++++++
 Don't believe the list price!!!! Everyone sells it for about $135.00. August 8, 2008
Daniel R. Grondin (Edgar, Wisconsin)
1 out of 2 found this review helpful
I have not found any place that sells this calculator for $199.00. The big discounters were at $130.00 and $135.00. So even if you are willing to pay extra to have it shipped to you, you may be better off getting it at lets say......WalMart, Kmart, Officemax, Staples, or online here used.
Good calculator August 1, 2008
Cesar Jimenez (Mexico)
1 out of 1 found this review helpful
Excellent calculator, and excellent service. The product came as promised.
A good experience.
Great Calculator! July 27, 2008
M. Sinclair (Arlington, TX USA)
1 out of 1 found this review helpful
I bought this for my son for college. He is majoring in Computer Electronics and Engineering Technology. The calculator has been very useful to him, both in his beginning classes and as his courses become more advanced. It came with everything he needed to use it right out of the box (batteries, cables, and instruction booklet). And he should continue to be able to use the calculator long after he graduates and moves on into his chosen career field. Good buy! Great product!
Good symbolic math for a handheld June 14, 2008
C. Baltaretu (Urbana, IL USA)
5 out of 5 found this review helpful
I'm a grad student in physical chemistry and I use it a lot, both for my symbolic calculations, as well as my numerical ones.
It's powerful, and has many functions - excellent for linear algebra, symbolic integration even on some improper integrals (the ones with infinite boundaries that converge), Fourier transforms, equation solving of any kind, differential equation solving, symbolic differentiation, complex number arithmetic, number base conversions, etc. For some functions that do not exist, you can download a program in TI BASIC off of many websites or write your own code in C and compile it in TI-GCC, the TI compiler, and put it on the calculator.
User support is the best in the market, because TI is a very popular brand and many people own as their high end handheld calculator either this or the simpler TI-89, with which the Titanium is entirely compatible. Its user manual is decent and provides a good introduction to a beginner. Besides, a simple search on the many support forums will answer any questions.
Like with all handhelds, the bottleneck is generally the user input speed, not the calculator's speed. Nevertheless, this calculator has the slight disadvantage of being rather slow for complex operations which the user can automate, because it's running on a 16 MHz ARM processor. Graphics are very slow for the levels of complexity that my figures require, so I don't even bother with it on the TI 89 Titanium. For those tasks, you're better off using Mathematica or Matlab on your computer. Remember this is a handheld calculator, not some supercomputer.
In summary:
PROS:
1. good user support;
2. many add-on programs available;
3. easy to create your own programs, especially in C;
4. good diversity of pre-installed commands: calculus, linear algebra, spreadsheet capability;
5. large screen (if not largest in this category);
6. easy to master (took me 2 weeks).
CONS:
1. slower than others on the market, like HP 50g, although you might not necessarily notice;
2. lack of a real equation editor - you must type your formulas in on one line, which leads me to lose track of parenthesis matching sometimes.
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