Texas Instruments

Texas Instruments TI-89 Titanium Graphing Calculator

(No reviews yet) Write a Review

Discount Sale Today while supplies last!

Currently In Stock! Due to the nature of our inventory this item will only be in stock for a short period of time. Quantity available for bulk purchases
90 Day Exchange Warranty


Texas Instruments TI-89 Titanium Graphing Calculator - New and Used Item IN STOCK and in good condition. Previously used items have been fully tested and include a 90 day exchange warranty. Items ship with all needed software and accessories. Since this is a used Item, it may show some minor signs of use but should not affect performance. Manual can be downloaded below.

Product Details -Texas Instruments TI-89 Titanium Graphing Calculator - Power Where You Need It.

•100 x 160 pixel display
•2.7MB flash memory, 188KB RAM
•3-D graphing and real-time rotation
•Easily calculate derivatives and integrals, limits, max./min., sequences, and series
•Differential equations solved numerically, symbolically, and graphically including slope and direction fields
•Advanced statistics functions, including multiple regressions/tests/intervals
•Physical constants and unit conversions
•Preloaded with personal study tools including official AP Calculus review questions
•USB (cable included) and unit-to-unit connectivity (cable included)
•Powered by 4 AAA batteries (included)

Whether you're already a science or engineering professional or a student working to get there, this calculator is a powerful tool for solving complex math problems and creating 3-D graphs with real-time rotation. The calculator comes with 16 preloaded software applications, and you can purchase additional apps from Texas Instruments and other leading developers for even more functionality.

Preloaded with Study Tools
With 16 preloaded software applications, including CellSheet, EE*Pro, Finance, Study Cards, and more, this calculator is ready to work. It has all the tools needed by most students and professionals and is approved for use on the AP, the SAT, and the PSAT/NMSQT exams, making it a valuable tool for the college-bound student.

Powerful Graphing and Display
With a 100 x 160 pixel display, 2.7 MB of flash memory, and 188 KB of RAM, the TI-89 is able to render 3-D graphs with real-time rotation using several different graph functions. The Pretty Print feature also displays equations and their results with radical notation, superscript exponents, and stacked fractions for easy viewing, storing up to 99 past entries for easy review.

Advanced Math Functions
The advanced math functions of the TI-89 calculator allow the use of over 100 symbolic units in 28 categories for algebra, calculus, advanced statistics, and numerous other scientific and mathematic equations, including differential equations solved symbolically, numerically, or graphically.

USB Port and Battery Backup
The included USB cord makes it easy to transfer data to your PC for homework or professional reports, and the calculator supports unit-to-unit connection for easy transfer of data from one calculator to another. The TI-89 requires four AAA batteries-also included-and has a silver oxide battery backup to protect the RAM memory during battery changes. Keep an extra supply of AAA batteries handy to ensure that your calculator works when you need it.

Suggested Courses/Subjects for TI-89 Titanium:
Physics, AP Statistics, AP Calculus, Calculus, Differential Equations, Linear Algebra, Electrical Engineering, Mechanical Engineering

Exam Acceptance:



*AP and SAT are registered trademarks of the College Board, which was not involved in the production of and does not endorse this product. PSAT/NMSQT is a registered trademark of both the College Board and National Merit Scholarship Corporation, which was not involved in the production of and does not endorse this product.


View AllClose

Warranty Information

90 Day Exchange Warranty! Buy with confidence. We offer helpful customer service and support for all our products from sale to installation.
View AllClose

Additional Information

90 Day Exchange Warranty
View AllClose