Texas Instruments TI-89 Titanium Scientific Calculator
- Power Source: Battery
- Size: Handheld
- Print Option: Without Print Option
- Calculator Type: Scientific
- Display: Large
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Consumer Reviews
Showing 11 - 20 of 112 Reviews |
Can you say over kill?
Let me just start off saying that this is one damn powerful calculator. It has basically every math function you can possibly think of. You can solve huge equations with this without even thinking! In fact in my school it has been banned in some classes because it does so much and people cheated on... Read full review »
Fake your way through math class!
The main problem with having a calculator like this one is that you may think you don't need to actually learn the math you are doing. This is a mistake, one that helped me fail second semester trig. Actually my total laziness is really to blame, but you must make sure to actually learn how to do... Read full review »
What's the point of being powerful...
...if you don't know how to wield that power? This is the major problem with the TI89. You're just absolutely sure it can do anything you want with it, but you have no idea how. And if you don't know how, then what's the use?
My college algebra last year required that we all buy the TI89...
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From zero to computing a triple integral in 3 second flat!
Let me start by saying that the TI-89 is not for everyone. Unless you are going to be going into an engineering program in college or a math or physics related major you probably don't need this calculator, there are many other models which will suit your purpose. I recommend this calculator for... Read full review »
TI-89 is the tool for the millenium
The TI-89 has many wondrous qualities. It will graph equations for you. It will solve equations for you. It will differentiate and integrate for you. It will also add, subtract, multiply, divide, and take the square for you. Plus, it has many other little treats that I could not hope to possibly... Read full review »
WHILE IT'S NOT THE CHEAPEST OR THE EASIEST CALCULATOR, IT IS THE BEST.
As a sophomore, my high school splurged and purchased TI-92 graphing calculators for the lot of us. While coming from a TI-83 background made it difficult to use the new interface, I was amazed at the power. Solving algebraic equations, factoring, computing derivatives, and integrals had never been... Read full review »
Great symbolic calculator for everything...once you learn to use it properly
I got this calculator midway through high school to replace a TI-84 Plus. When I first got the calculator, the very steep learning curve immediately became apparent. For those who are used to the style of the TI-83/84, using the TI-89 will be very difficult in the beginning. When you first turn on... Read full review »
Excellent Tool for the Classroom or Office
I upgraded from my TI-83 to my 89 as a Sophomore in High School. I now keep it with me at work, and have used it in many different academic and professional situations. IT is an incredibly powerful tool, and I'll try to tell you why I'm so happy with it.
Layout
Moving from the 83 to...
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Making the leap: switching from the TI-83 to the TI-89
For three years of high school math (precalculus, calculus, and linear algebra), I happily used my school-issued TI-83 plus. It was perfect for precalculus, and it was useful for calculus, too, but by senior year I was taking multivariable calculus, and I decided I was tired of pounding out... Read full review »
Powerful and Durable
I've had my TI-89 for almost 4 years now and it still runs as well as the day I bought it. It's been dropped, banged around, had water spilled on it, and I'm still running it. It's most possibly the best graphing calculator Texas Instruments (TI) makes. There are some other models that TI makes... Read full review »
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Texas Instruments Ti92ohd Lcd Viewscreen Calculator Kit For Ti-89, Ti-92plus Etc
The TI-89 Titanium, offers preloaded Apps, and even more versatility. A built-in USB port makes data transfer ultra- convenient. Plus, with three times the memory of the TI-89, you can store more Apps, data, and programs.
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| Base Price: | $99.99 |
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Texas Instruments Ti-84 Plus Silver Ed. Graphing Calculator Complete
The TI-89 Titanium, offers preloaded Apps, and even more versatility. A built-in USB port makes data transfer ultra- convenient. Plus, with three times the memory of the TI-89, you can store more Apps, data, and programs.
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| Base Price: | $119.94 |
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Texas Instruments TI-89 Titanium Graphing Calculator, Pixel Display
Electronically upgradeable graphing calculator allows you to have the most up-to-date functionality and software applications. 16 preloaded graphing calculator software applications suitable for college math and engineering coursework. Memory management to create folders for specific applications or subjects. Icon desktop for easier access to applications and editors. Pretty Print shows equations and results with radical notation, stacked fractions and superscript exponents. Permitted for use on many state and standardized tests. Calculator Type: Graphing; Global Product Type: Calculators; Calculator Style: N/A; Power Source(s): Battery.
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| Base Price: | $159.99 |
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