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Pros & Cons
Pros
The *-89 has many functions i find absolutely compulsory in a calculator. Its 10/12 mhz (depending on how new your calculator is) motorola 68000 processor is to this day unmatched in the world of graphing calculators. Mb is plenty of memory and also a... Read More
If you can't find a function, there is a button called the catalog button that lists all of the functions in alphabetical order. Program an equation into the calculator and store it. Run it later, just plug in the numbers.
A familiarization from a previous model (such as the *-83) will pose a great advantage to those upgrading. When tracing or anything involving the keypad it takes a few seconds for it to be held down.
I'm goin to keep this short. It's the coolest thing i've ever seen. No flaw seriously weighing it down.
Overall, this calculator exceeds my inital expectations. In math is where it kicks in heavy, though. The *-89 is a great investment for anyone who needs to go beyond the functionalities of a usual scientific calculator.
Cons
Some screens are unreadable. This is the second time i have a problem with a merchandise sold through amazon.
Highlights
Quality
Its simply fun to work with the 89
Really needed this calculator for calculus and it got to me right in time and helped me with the class a lot
After a month or so of frustration with the hp 49g i gave up and bought this one
I ended up borrowing a book from the library about the ti89 and purchasing calculus with the ti89 by b
Competitiveness
Handles integrals and derivatives like the champ i needed
It came with 4 aaa batteries but they werent functional
Other ti89 models may have a more clear interface but they perform all the same functions just at a higher price
Overview
- How are reviewers describing this item?
good, great and most. - Our engine has profiled the reviewer patterns and has determined that there is high deception involved.
- Our engine has analyzed and discovered that 50.0% of the reviews are reliable.
- This product had a total of 338 reviews as of our last analysis date on Mar 8 2023.
Helpful InsightsBETA
Posted by a reviewer on Amazon
The downside of this calculator is its user manual
Posted by a reviewer on Amazon
I found the manual confusing and almost impossible to find some of the feature explanations
Posted by a reviewer on Amazon
I ended up borrowing a book from the library about the ti89 and purchasing calculus with the ti89 by b
Posted by a reviewer on Amazon
In a nutshell get this graphing calculator but plan on spending an additional 2030 on an aftermarket manual
Posted by a reviewer on Amazon
But i had one really high standard for the calculator there must be a good ccompiler for it
Posted by a reviewer on Amazon
Thats were this calculator didnt passed the test
Posted by a reviewer on Amazon
Too many lingoconversions were needed ctorpltoasm were the best compilers
Posted by a reviewer on Amazon
Too much searching for a good compiler trying to get the programs working for ours and ours
Review Count History
Price History
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