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Texas Instruments TI-89 Titanium Graphing Calculator

Texas Instruments® TI-89 Titanium Graphing Calculator

Item: 566640    Model: TI89T

Texas Instruments® TI-89 Titanium Graphing Calculator
4.5stars
( 81 reviews)
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EachGraphing CalculatorTexas Instruments® TI-89 Titanium Graphing Calculator149.99USDhttp://www.staples-3p.com/s7/is/image/Staples/s0068805_sc7?$std$http://www.staples-3p.com/s7/is/image/Staples/s0068805_sc7?$thb$http://www.staples-3p.com/s7/is/image/Staples/s0068805/Texas-Instruments-TI-89-Titanium-Graphing-Calculator/product_566640
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$149.99
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REVIEW SNAPSHOT®

by PowerReviews
Texas Instruments® TI-89 Titanium Graphing Calculator
 
4.5

(based on 82 reviews)

Ratings Distribution

  • 5 Stars

     

    (52)

  • 4 Stars

     

    (24)

  • 3 Stars

     

    (3)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (2)

92%

of respondents would recommend this to a friend.

Pros

  • Adequate capabilities (66)
  • Clear display (56)
  • Well built / quality (56)
  • Attractive (46)
  • Easy to use (45)

Cons

  • Heavy / bulky (17)
  • Difficult to use (14)
  • Hard to see display (8)
  • Short battery life (4)

Best Uses

  • Math classes (70)
  • School (51)
  • Engineering (46)
  • Science classes (41)
  • Office work (14)
    • Reviewer Profile:
    • Power user (28), Casual user (25), Enthusiast (12), Tech savvy (6), Practical (5)
    • Primary use:
    • Personal (65), Business (10)
    • Was this a gift?:
    • No (31), Yes (13)

Most Helpful Positive Review

 

excellent buy

i have had this calculator now since January '07. i have to admit i am thoroughly satisfied with the service it has provided me. it has been real helpful in my statistics course,...Read complete review

i have had this calculator now since January '07. i have to admit i am thoroughly satisfied with the service it has provided me. it has been real helpful in my statistics course, although i had to download the application from ti's website. the application is wonderful and easy to use. i use it for my statistics and calculus courses. i use it most in calculus. however, you have to be aware that the calculator is just a calculator and won't solve simple problems the way they are supposed to be solved. although it will find the derivative of a trig function, it does NOT use the chain rule and therefore will give you a wrong answer. i rely on the calculator ONLY to check simple solutions. maybe i had missed something and it will catch it. overall, i am satisfied with the calculator. i like it, and i DISLIKE the ti-83(i've had for years now) and ti-84, although i bought the ti-84 because it was a "requirement" for my stats course. had i known that the ti-89 is easier to use and better for me, i wouldn't have spent [$] on the ti-84 that's just sitting on my desk accumulating dust. i would recommend the ti-89 to anyone because of its ease of use and practical applications.

VS

Most Helpful Negative Review

 

Steep Learning Curve and Big Potential

I bought this after my TI-84+ self destructed the night before am engineering exam. The interface is not intuitive, but there is a lot going on in the background. Honestly, I...Read complete review

I bought this after my TI-84+ self destructed the night before am engineering exam. The interface is not intuitive, but there is a lot going on in the background. Honestly, I knew what I needed for my exam, and this calculator wasn't confidence inspiring. It took a bit of relearning to find matrices...

With the stock manual you can muddle through a lot of basic stuff, but the big powerful functions are tricky to find.

The display sucks, period. Tiny pixelated symbols that nearly require a magnifying glass? That's so 1990 (I had one of the first TI-81's, the screen quality hasn't improved by much). I guess I just expect more since I own an iPod Touch...? If I could do it over, I would get a TI-84 again...

Reviewed by 82 customers

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4.0

Great calculator.

By gsaxon

from Illinois

Verified Buyer
This customer has reached Intern level on the Staples.com Leaderboard

Comments about Texas Instruments® TI-89 Titanium Graphing Calculator:

This is a great calculator for the price. The TI 89 can do it all. Great for college classes.

Comment on this review(earn points)

(0 of 1 customers found this review helpful)

 
1.0

It's too complicated to use

By B

from Queens

Verified Buyer

Comments about Texas Instruments® TI-89 Titanium Graphing Calculator:

It's too complicated to use!!! I couldn't undertand it!!!

Comment on this review(earn points)

 
4.0

Excelent

By Abbasi

from NJ

Verified Buyer

Comments about Texas Instruments® TI-89 Titanium Graphing Calculator:

This calculator is perfect. If you are a college student who will take any type of calculus class, then this calculator can become your best friend. It does derivatives, integral, graphs in 3-d and even solves equations. The best part is that it is allowed on any test so you can use it anytime. So the TI 89 is a must have calculator for those who love math.

Comment on this review(earn points)

 
5.0

calculator

By srl

from warner Robins, ga

Verified Buyer

Comments about Texas Instruments® TI-89 Titanium Graphing Calculator:

This calculator is what is needed for AP BC calculus class in high school and serves the student well even for math classes in college. It is an expensive calculator but you can download programs from the internet to meet the needs and requirements that are expected from the teachers and professors. If you buy this calculator for trig and pre calculus your junior year in High school, you will more than get your money out of it assuming you take AP calculus your senior year. Worth it if you are taking upper level math classes and plan on doing something with math in college.

Comment on this review(earn points)

 
3.0

This item was returned for a credit

By School Calculator

from Staples - Milbury MA

About Me Casual User

Verified Buyer

Pros

  • Adequate Capabilities
  • To Much Calculator

Cons

  • Difficult To Use

Best Uses

  • Engineering

Comments about Texas Instruments® TI-89 Titanium Graphing Calculator:

My daughter found the many added fuction features of the TI-89 to be more than what she needed. The calulator was returned unopened and unused for a credit. A TI-84 was later purchased in place of the TI-89 at Staples.

  • Primary use:
  • Personal
  • Was this a gift?:
  • Yes

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