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Texas Instruments TI-89 Titanium Graphing Calculator Black W/Cover
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Texas Instruments TI-89 Titanium Graphing Calculator Black W/Cover
US $51.87US $51.87
Tue, May 27, 08:28 PMTue, May 27, 08:28 PM
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Texas Instruments TI-89 Titanium Graphing Calculator Black W/Cover

luckyhandsthrift
(136)
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US $51.87
ApproximatelyC $70.98
Condition:
Used
Sell one like this
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    Shipping:
    US $6.87 (approx C $9.40) USPS Ground Advantage®.
    Located in: Cordova, Tennessee, United States
    Delivery:
    Estimated between Mon, Jul 14 and Sat, Jul 19 to 91768
    Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
    Returns:
    30 days return. Seller pays for return shipping.
    Payments:
         Diners Club

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    eBay Money Back Guarantee
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    Seller assumes all responsibility for this listing.
    eBay item number:205514808009

    Item specifics

    Condition
    Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is ...
    Brand
    Texas Instruments
    Key Size
    Regular
    Type
    Graphing
    Display Size
    Regular
    Power Source
    Battery
    Size
    Handheld
    Model
    Texas Instruments TI-89
    MPN
    TI-89 TITANIUM
    Features
    Calculus, Programmable, USB
    Country/Region of Manufacture
    China
    UPC
    Does not apply

    Item description from the seller

    About this seller

    luckyhandsthrift

    100% positive feedback•119 items sold

    Joined May 2022
    Usually responds within 24 hours
    Seller's other itemsContact

    Detailed seller ratings

    Average for the last 12 months
    Accurate description
    5.0
    Reasonable shipping cost
    4.9
    Shipping speed
    5.0
    Communication
    5.0

    Seller feedback (37)

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      • d***t (20557)- Feedback left by buyer.
        Past 6 months
        Verified purchase
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      Product ratings and reviews

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      4.7
      414 product ratings
      • 354 users rated this 5 out of 5 stars
      • 37 users rated this 4 out of 5 stars
      • 6 users rated this 3 out of 5 stars
      • 2 users rated this 2 out of 5 stars
      • 15 users rated this 1 out of 5 stars

      Good value

      Would recommend

      Good quality

      Most relevant reviews

      See all 242 reviews
      • by warburrito
        May 13, 2020Top favourable review

        Works great for my high school son

        Works great for my son who is in high school. Apparently whatever model the teacher uses has a few keys that are in different spots so not every function works using the exact same keys, but that has not been a problem for my son. However, if your child's teacher uses a specific model I would suggest getting that model instead so that learning would be easier for someone not as technologically inclined as my son.

        Verified purchase: YesCondition: Pre-Owned

      • by dadgum1
        Feb 13, 2017

        Powerful calculator

        This is a used item of course, so the only thing guaranteed is the calc itself. I'm loving the computer algebra system on it; taking DE and Linear Algebra this semester and never knew how much of a time saver it was. Solves for x, does operations for polynomials, factors, integrates and d/dx functions, trig extpansion, etc. Only thing thats kinda a pain is matrices, but you get used to it. Wish I had this earlier. Lot of other calcs have CAS, but this is at great price too. this website lists a lot of the features and gives you a good idea of what this calc can do and gets you started using fast as well: prenhall d0t c0m /esm/app/graphing/ti89/homescreen/Menukeys/f1 d0t html replace all the d0ts and c0m

        Verified purchase: YesCondition: Pre-OwnedSold by: Vt793et9Q3O@Deleted

      • by msrobin2
        Sep 07, 2016

        Perfect for the engineering student

        If your studying engineering this is a must have, It has all the features that you need to succeed. with it's build in computer algebra system it can evaluate and simplify expressions, and display them as they would be written by hand thus making test easier. It returns all of the equations for a quadratic variable making it the ideal cheat-a-lator. well worth your time and effort to learn how to use this jewel.

        Verified purchase: YesCondition: Pre-OwnedSold by: 222775

      • by sterlinghhartman
        Aug 20, 2019

        PhD Mathematician in Plastic

        Incredibly powerful \. You probably won't be able to use all of its functions. On the negative side: font showing date and time is incredibly small and there is no way to increase font size.

        Verified purchase: YesCondition: NewSold by: dealoff

      • by pokemon1216029
        Feb 28, 2018

        Really great calculator.

        The beauty of this calculator is that it can perform basic algebraic functions for you; no more binomial expansion or tedious polynomial operations. Makes checking work very easy, and is even approved for the SAT and AP examinations. And the price is right; used with barely any wear.

        Verified purchase: YesCondition: Pre-OwnedSold by: nhfastcash

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