Texas Instruments 89 Calculator

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Refurbisher comments: Fully Tested! Includes slide cover and battery cover. No cables or packaging included. May show signs of light markings/engravings on the slide cover or back of calculator body. Buy with confidence, our items are guaranteed for 60 days with money back or an item exchange. Ships same business day!

Renewed and sold by GameSwift

Refurbisher since 2022, location: United States

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Texas Instruments 89 Calculator's customer reviews


1 verified review in the last 6 months.


Joe T.


Reviewed in United States on October 15, 2022

Condition looked practically brand new. There was some mild dust in the ports, but otherwise clean. The screen showed no wear of use. Excellent purchase.

Purchased on the October 1, 2022

Everything you ever wanted to know about the Texas Instruments 89 Calculator

This versatile graphing calculator features advanced functionality and 3D graphing that makes problem-solving for AP®, advanced mathematics and engineering courses easier. Built-in Computer Algebra System (CAS) allows you to explore and manipulate mathematical expressions in symbolic form.

Our partners are electronics experts who test and verify that each product is 100% functional before it leaves the factory. This is the reason you benefit from a minimum 1-Year warranty with the purchase of a refurbished device at Back Market.

Texas Instruments 89 Calculator

  • Manufacturing part numbers (MPN) : TI-89
  • Model : 89
  • Brand : Texas Instruments
  • Weight : 12 oz

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