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Texas Instruments TI-89 Titanium Graphing Calculator - Picture 1 of 1
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helloelectronics
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Texas Instruments TI-89 Titanium Graphing Calculator

US $174.99
ApproximatelyAU $273.64
Condition:
Brand New
More information - About this item condition
9 available1 sold
Other people bought this. 1 has already sold.
Postage:
Free Standard Shipping.
Located in: Monroe, New York, United States
Delivery:
Estimated between Thu, 1 May and Mon, 5 May to 43230
Estimated delivery dates - opens in a new window or tab include seller's handling time, origin postcode, destination postcode and time of acceptance and will depend on the postage service selected and receipt of cleared paymentcleared payment - opens in a new window or tab. Delivery times may vary, especially during peak periods.
Returns:
No returns accepted.
Payments:
     Diners Club

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eBay item number:183912776922
Last updated on 19 Apr, 2024 08:23:49 AESTView all revisionsView all revisions

Item specifics

Condition
Brand New
Size
none
Power Source
Battery
Type
Graphing
Display Size
none
Key Size
none
MPN
TI89TITANIUM 
Brand
Texas Instruments
UPC
768202284962

Item description from the seller

About this seller

helloelectronics

96.7% positive Feedback•8.0K items sold

Joined Jan 2004
Welcome to Hello Electronics - The premuim source for quality photography and consumer electronics on Ebay.
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Detailed seller ratings

Average for the last 12 months
Accurate description
4.6
Reasonable postage costs
5.0
Postage speed
4.7
Communication
4.7

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Product ratings and reviews

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4.7
415 product ratings
  • 355 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 241 reviews
  • by warburrito
    13 May, 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
    14 Feb, 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
    08 Sep, 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
    21 Aug, 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
    01 Mar, 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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