Texas Instruments TI-89 Titanium Programmable Graphing Calculator (Renewed)

This pre-owned or refurbished product has been professionally inspected and tested to work and look like new. How a product becomes part of Amazon Renewed, your destination for pre-owned, refurbished products: A customer buys a new product and returns it or trades it in for a newer or different model. That product is inspected and tested to work and look like new by Amazon-qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If not satisfied with the purchase, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee.

• Electronically upgradeable graphing calculator allows you to have the most up-to-date functionality and software applications.
• 16 preloaded graphing calculator software applications suitable for college math and engineering coursework.
• Memory management to create folders for specific applications or subjects.
• Icon desktop for easier access to applications and editors. Pretty Print shows equations and results with radical notation, stacked fractions and superscript exponents.
• Large 100 x 160 pixel display for split-screen views. Compatible with CBL 2 system, CBR 2 motion sensor, vernier easylink and vernier easytemp systems to allow collection and analysis of real-world data.