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Your cart is empty.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.
Erik
Reviewed in the United States on August 25, 2024
Happy with my TI 89 calculator! Excellent condition and works just the same as a new one.
Ginusha Perera
Reviewed in the United States on May 9, 2024
calculator didnt turn on after using for 6 months and none of the methods to turn on worked. Unusable, bad quality.. Do not recommend
Vinh
Reviewed in the United States on February 27, 2024
Buy here. Worth. I can trust this seller.
Antonio
Reviewed in the United States on December 7, 2024
Utilidad de cada tecla y ubicación perfecta. La mejor calculadora gráfica para aprender. A pesar del tiempo transcurrido desde su aparición en el mercado , para mi opinión , no ha sido superada.
Sonya farmer
Reviewed in the United States on August 29, 2022
Product great!
Raj
Reviewed in the United States on December 28, 2022
Was skeptical to buy a 'renewed' item to start with, however this was a good purchase.Almost new. Everything works great. Came with new batteries too.Happy with the purchase.Product itself was for the kid. Its a known brand and product. People who know how to use can only use it!
Tricia Palmieri
Reviewed in the United States on October 10, 2022
I used this calculator in my high school ap calculus class and it has everything and more. For my first year of college, it still has everything I need and so glad I bought it. The case is shiny and not matt which makes it a bit harder to put on but not an inconvience.
Giancarlo Barassi
Reviewed in the United States on February 15, 2021
I had my previous TI89 for almost 20 years. Never stopped working. I lost it had to buy a new one. This is the best calculator on planet earth period.
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