• Over 500 KB memory for storing functions, programs, and data
• Pretty Print technology displays mathematical expressions as they appear in textbooks
• High-resolution display with split-screen views
• Computes symbolic solutions to differential equations
• Input/output port and cable; also supports optional TI-GRAPH LINK

Texas Instruments TI-89 Advanced Graphing Calculator

Product Description
Introducing TI’s most powerful graphing calculator: The TI-89 Titanium, offering new features, preloaded Apps, and even more versatility. A built-in USB port makes data transfer ultra-convenient. Plus, with three times the memory of the TI-89, you can store more Apps, data, and programsAmazon.com Review
This advanced graphing calculator is packed with more features than you might know how to use. The TI-89 lets you perform the expected functions of an advanced calculator–basic math, algebra, calculus, graphs, matrices, and statistical functions. However, you can also do cool stuff like create animations as well as graph 3-D rotations and plot contours. The manual that ships with the TI-89 is a killer… More >>

Texas Instruments TI-89 Advanced Graphing Calculator