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Texas Instruments TI-89 TITANIUM - Popular College CAS Black Graphing Calculator - Picture 1 of 6
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Texas Instruments TI-89 TITANIUM - Popular College CAS Black Graphing Calculator

Last item available
Condition:
Used
“Not dirty. Some minor wear. Very clear screen, with some very insignificant imperfections. No ”... Read moreabout condition
Last One / 4 sold
Price:
US $189.99
ApproximatelyC $260.45
Best Offer:
Breathe easy. Returns accepted.
Shipping:
US $4.99 (approx C $6.84) Standard Shipping. See detailsfor shipping
Located in: Mercedes, Texas, United States
Delivery:
Estimated between Tue, May 7 and Sat, May 11 to 43230
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. Buyer pays for return shipping. See details- for more information about returns
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eBay item number:122721978437
Last updated on Aug 23, 2023 02:29:11 EDTView all revisionsView all revisions

Item specifics

Condition
Used
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. See all condition definitionsopens in a new window or tab
Seller Notes
“Not dirty. Some minor wear. Very clear screen, with some very insignificant imperfections. No ...
Non-Domestic Product
No
Modified Item
No
Custom Bundle
No
Color
Black
UPC
0033317191833
Brand
Texas Instruments
Type
Graphing
Display Size
Regular
Power Source
Battery
Model
Texas Instruments TI-89
MPN
TI-89 TITANIUM

About this product

Product Identifiers

Brand
Texas Instruments
MPN
TI-89 TITANIUM
UPC
0683332278271, 0714752467256
Model
Texas Instruments TI-89
eBay Product ID (ePID)
1724659004

Product Key Features

Power Source
Battery
Display Size
Regular
Type
Graphing

Item description from the seller

alexandervanberg

alexandervanberg

66.7% positive feedback
484 items sold
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Product ratings and reviews

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4.7
984 product ratings
  • 815 users rated this 5 out of 5 stars
  • 122 users rated this 4 out of 5 stars
  • 19 users rated this 3 out of 5 stars
  • 8 users rated this 2 out of 5 stars
  • 20 users rated this 1 out of 5 stars

Good value

Would recommend

Good quality

Most relevant reviews

See all 812 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 o-mto3fysrs@deleted
    Sep 11, 2012

    Astounding functionality and computing power! But not beginner-friendly.

    I bought this calculator for my advanced level Calculus and Physics courses. Its functionality and computing power are astounding. I've used a TI-84 and TI-83 in the past, and the possible functions of those calculators pale in comparison to the TI-89 Titanium. It does almost everything I could want it to; it solves equations, differentiates, integrates (both definite and indefinite integrals), and graphs in three dimensions--slowly but that's to be expected, it's only a calculator. This last function is extremely valuable in multi-variable calculus. The screen is black/white but can still produce images with nice contrast. The main difference between this one and the TI-nspire is that the nspire has a colored display and a nice input keyboard, however, it lacks the ...

  • by j8UPivlCQze@Deleted
    Aug 21, 2010

    TI-89 Titanium calculator

    My primary intent in bidding on this item (TI-89 Titanium hand held calc) was in having an instrument that could create 3D graphs. The unit works well in that regard and you can rotate the finished 3D graph about a vertical or horizontal axis as well....but you cannot graph in cylindrical or spherical coordinates as is required in many engineering and physics problems and to the best of my knowledge there are no programs that you can download into the TI-89 (you can hook it up to your computer and print out graphs with it or simply study them on your desk top screen) that would allow you to do this. Aside from that the unit has performed very well although in honesty I have not had time to fully explore all of the things it can do because I have had too many 3D graphs to have to make for a ...

  • by weaves09
    Jun 30, 2008

    Your new best friend in Calc class

    I started my calc class with a TI-83 Plus that I used for all my other math classes. It was fine in the beginning but I felt I was wasting a lot of time doing "busy" work. This TI-89 does all the busy work for me! I now have more time to work on the actual problem that other stuff such as finding the derivatives and solving equations. This is a great handy tool to check over your work to make sure you have not made any careless errors. I have never used the Titanium version but see no downfall to using the original version. Here are some pros and cons that I feel go with this calculator. Pros: Derivatives, Solving Equations, Low Battery Meter. Cons: Price (if purchased new), Graphs can be a little hard to view. My overall opinion: If you are planning on taking a ...

  • by rcLgOO9YQwa@Deleted
    Aug 01, 2008

    Excellent Value

    My daughter is taking Calculus next year in high school and (of course) the teacher required the students to have the TI-89 calculator. I was not exactly pleased that I would have to purchase yet another calculator since we already purchased the TI-83 and TI-84 for previous math courses. The calculator is a very cool piece of technology. It works beautifully and will (I hope) be useful for my daughter through her college years. It has many other features that you download easily from the Internet to do other types of functions, such as finances, statistics, and an organizer (to name a few). I also found out that it has AP Calculus test questions pre-loaded on it, which will be useful at the end of this school year. Our vendor was efficient and quick to send us the product. Even ...

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