Texas Instruments TI-89 Advanced Graphing Calculator (Renewed)
Brand: Texas Instruments
Color: Black

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.

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