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Customer Ratings & Reviews

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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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 13 Showing 241-260 of 385 reviews
  • Rated 5 out of 5 stars

    Good Calculater

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

    helpful customer service and It was very easy to locate in the store.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    perfect for someone that needs it

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

    perfect for someone that needs it, or even want it

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Required for my Seniors AP Calc Class

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

    My daughter is very pleased and uses almost daily.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    GreT item

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

    Great product purchase. Thank you for having this item in stock.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Best Buy

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

    I like the products I purchase from the store that I buy.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Good Calculator

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

    An awesome calculator however a bit confusing to use.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    TI T!-89

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

    Just Amazing!!! Very nice smart calculator. Does everything.!!

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Works great

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

    Got this for chemistry class and it works well. Would recommend for anyone doing advanced mathematics.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Great calculator for AP Calculus.

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

    Great calculator for calculus. Can use for SAT but not ACT test.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Works Great

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

    works great just like I needed. very happy with my purchase

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Great calculator for college courses

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

    Using this for my first year college math courses.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Must have graphing calculator for engineers

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

    Clean graphics and easy of use are the highlights of the device. Price is reasonable. Fast computing. A little learning curve if you haven't used one before.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Amazing

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

    The right product for my daughter who is a college

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Yes

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

    It's a great graphing calculator 10/10 would buy again

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Best Calculator

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

    Best graphics Calculator in Best Buy, pixel display

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    great calculater

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

    I gifted i so I have they like it. Price was good.

    I would recommend this to a friend
  • Pros mentioned:
    Calculator

    Rated 5 out of 5 stars

    Great Calculator for Engineers

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

    I got this calculator instead of the Nspire CAS. So far I’ve not been disappointed. It has helped me a lot in my Electrical Engineering exams.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Good

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

    The item was good and very useful especially for graphs.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Great

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

    I bought it for my boyfriend son who just started college.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Very advanced calculator

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

    This product is a must have for engineering students

    I would recommend this to a friend