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  • Front. Texas Instruments - TI-89 Titanium Graphing Calculator, Pixel Display.

Texas Instruments - TI-89 Titanium Graphing Calculator, Pixel Display

Model:
TI-89 Titanium
SKU:
6621426
Highly rated by customers for:
Your price for this item is $169.99

Customer reviews

Rating 4.8 out of 5 stars with 385 reviews

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Rating by feature

  • Value

    Rating 4.5 out of 5 stars

  • Quality

    Rating 5.0 out of 5 stars

  • Ease of Use

    Rating 4.6 out of 5 stars

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There aren't enough negative mentions yet.
98%would recommend to a friend

Customers are saying

Customers are pleased with the TI-89 Titanium Graphing Calculator's ease of use, describing it as intuitive and having many great functions. Its quality and features are also frequently praised, with users highlighting its reliability and the comprehensive set of tools it offers. Many appreciate the calculator's long battery life, noting that batteries can last for extended periods. Overall, the feedback points to a positive user experience.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 17 Showing 321-340 of 385 reviews

  • Great product

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Amazing calculator. Totally worth the price. Big difference between this model and the TI 89 I bought for high school, 30 yrs ago.

    I would recommend this to a friend

  • Texas Instruments calculator

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    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I bought this for my high school senior, the teacher recommended for his Multivariable Calculus class. It’s a bit pricey but worth it.

    I would recommend this to a friend

  • Texas Instruments - TI-89 Titanium Graphing

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love BEST BUY always has what I need great price on Texas Instruments - TI-89 Titanium Graphing Calculator, Pixel Display

    I would recommend this to a friend

  • TI-89 Titanium

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Powerful calculator but over-priced. Needed it for a mathematics competition.

    No, I would not recommend this to a friend

  • Great calculator for the price!

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    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I used to use my Hewllet-Packard 48-Gx sonce college until my screen got damaged. This calculator do the same for a quarter of the price. Recommended!

    I would recommend this to a friend

  • Calculator for maths

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It's a calculator. The screen can be hard to read because of contrast but what do you expect

    I would recommend this to a friend

  • Good for university-level math and science courses

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    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Good for university level courses but not for non-technologically inclined end users

    I would recommend this to a friend

  • Great instrument

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    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This is an amazing calculator only thing I don't like is that the letters and numbers are very small on the screen

    I would recommend this to a friend

  • Great

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    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It does matrices really well along with other saving programs

    I would recommend this to a friend

  • good one for high school students

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    good calculator for high school students. So far it is working good.

    I would recommend this to a friend

  • Calculator

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    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    If you need a great multifunction calculator for your chemistry course then this is it

    I would recommend this to a friend

  • Liz

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    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Back up for the exams on major tests coming up always helpful they will have many years

    I would recommend this to a friend

  • Ph.D.

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great buy! I purchased this to solve triple integrals and it works.

    I would recommend this to a friend

  • calculator

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    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I have purchased before for other child. The item works great. Just got the wrong model. Texas instrument works best

    I would recommend this to a friend

  • College

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent unit... It will help our students on their college carreer.

    I would recommend this to a friend

  • Great calculator for advanced math courses!

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    We purchased this calculator for my son who was just starting college in a computer science program. It works great!

    I would recommend this to a friend

  • Needed for school.

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Clemson said this was the calculator to get, although grandson already something very close to this.

    I would recommend this to a friend

  • Good calculator

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    Posted . Owned for 1.5 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Bought this for my son in College, who is in Pre-Med, and is working great for him.

    I would recommend this to a friend

  • great for math

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    it can solve complex math problems... I like it and would definitely tell you to buy it!

    I would recommend this to a friend

  • Great calculator for all college math and courses

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Does anything and everything, takes a while to learn how to use in its entirety though.

    I would recommend this to a friend
Page 17, Showing 321-340 of 385 reviews
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