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Customer Reviews for Texas Instruments Titanium TI-89 CAS Graphing Calculator, Titanium (TI89T)

Texas Instruments Titanium TI-89 CAS Graphing Calculator, Titanium (TI89T)
Item # : 566640
Model # : TI89T
Solve equations faster during exams or everyday work with this Texas Instruments TI-89 Titanium graphing calculator.
  • Graphing calculator offers LCD display for showing graphs and charts
  • Explore math expressions in symbolic form, see patterns, and understand the math behind the formulas
Price is $139.99
Free delivery by Wed, May 29
1-hr pickup
1
4.5
113 reviews
5 star
(75)
4 star
(29)
3 star
(4)
2 star
(1)
1 star
(4)
Most helpful positive review
Posted Mar 19, 2024
Cal
This calculator is ideal for electric engineer students.
VS
Most helpful critical review
Posted Aug 6, 2020
Couldn’t figure out how to use it.
I used to have a TI-84 and I liked it a lot. I gave it to my daughter. I thought I would try a TI-89 thinking it would have more capabilities. But I couldn’t figure out how to do even simple things on it. I tried reading the directions but it didn’t help. And not only that, the display was too small and difficult to read. I went back and bought another TI-84 and now I a...
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Staples Customer
Verified Buyer
Posted Mar 19, 2024
Cal
This calculator is ideal for electric engineer students.
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Staples Customer
Verified Buyer
Posted Dec 23, 2022
Calculator
Great pricing and great product
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Staples Customer
Verified Buyer
Posted Sep 11, 2022
Great!
This has new features than the 84 plus. I wish this was color.
0up votes 0
1down votes 1