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Customer Ratings & Reviews

Customer reviews

Rating 4.8 out of 5 stars with 385 reviews

Rating Filter

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

Pros mentioned filter

Cons mentioned filter

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 15 Showing 281-300 of 385 reviews
  • Pros mentioned:
    Quality

    Rated 5 out of 5 stars

    Great calculator

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

    Required calculator for school, but a quality item nonetheless. All the functions needed and then some.

    I would recommend this to a friend
  • Rated 3 out of 5 stars

    Good calculator for people not used to other ones

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

    It's a great calculator for engineering and math based problems, but if you are used to the TI-84 calculators used in high schools, it will be a struggle adjusting to it because all of the buttons are in different places, so your muscle memory will betray you for a while.

    No, I would not recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    great calculator for college work

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

    Great calculator for college work. Easy to one to use if familiar with these types of calculators.

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

    Rated 5 out of 5 stars

    Good for engineering student

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

    Purchased for my son for college engineering classes. He used it for 2 years did the trick I guess.

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    Great for students

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

    Very useful. Only issue I had was with the cover; it's a bit difficult to slide off.

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

    Rated 5 out of 5 stars

    Texas Instruments TI-89

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    Posted . Owned for 8 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works perfect for my son in AP Calculus AB. Easy to use and love how it has a cover.

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    GREAT!

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

    Great for college students and can be a little tricky to figure it out

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    Good So Far

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

    We bought this for my daughter, who is majoring in ISE; she likes it so far.

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

    Rated 5 out of 5 stars

    A classic

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    Posted . Owned for 4 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    If you need a graphing calculator, I find that this hand held is about the best. Very reliable.

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    My son love it

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

    I purchase this product for my son and he's happy with the calculator

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    Good calculator.

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

    Daughter needed this calculator for school and hasn't been disappointed.

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

    Rated 5 out of 5 stars

    Good product

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

    Reliable graphing calculator for engineering students!

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

    Best calculator ever

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

    As my calculus professor would say this calculator is “worth it’s weight in gold.” If you are like me and going to take all of the calculus courses offered in college, just get this from the start and you’ll be set through graduation. This calculator can do everything you need it to and more.

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

    Rated 5 out of 5 stars

    Best calculator

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

    This item Does everything you would ever need and more!

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

    Rated 4 out of 5 stars

    Display and handle very good

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

    Quality is good, but you have to know what you are using it for. Can be confusing, because of the technical functions. It is pricey for a technical calculator.

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

    Rated 5 out of 5 stars

    Great Calculator

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

    Has many features and makes solving some problems a piece of cake

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    Works good

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

    Works good for my classes. It is very helpful and Like the screen

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

    Rated 5 out of 5 stars

    Solid tool for college students

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

    Definitely the go-to calculator for my engineering student!

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

    Rated 5 out of 5 stars

    Great calculator

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

    Great calculator- suing it for college calculus - would recommend this product.

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

    Rated 5 out of 5 stars

    Needed for Collage

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

    My Grandson needed this for a course and it has been exactly what he needed.

    I would recommend this to a friend
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