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> Office > Office Machines > Calculators

Texas Instruments TI-89 Titanium Scientific Calculator

 
106 reviews
 
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Texas Instruments TI-89 Titanium Scientific Calculator
 
 
 
 
 
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Review Summary

Average Rating: 5.0
 
Based on 106 reviews
21
32
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725
 
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Review List

Showing 21 - 30 of 106 Reviews

 
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2 out of 2 people found this review helpful.

its great its the best

Date of Review:  Jun 16, 2008
Review: its a great calculator and it can solve pretty much anything
it does 3d graphing and factors stuff for you.
it looks tight too. the one problem i found was that there was no button for finding the (log) you have to go through the enormous...
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  5.0

by: khalsa77
Recommended to buy: Yes

Pros
its really efficient and does a lot of...
Cons
the log button is not part of the main...
 
4 out of 4 people found this review helpful.

TI-89 Buy it!

Date of Review:  Jan 28, 2002
The Bottom Line: This calculator is expensive, but well worth the price.
Review: I bought this calculator for my combined calculus 1 & 2 class. I can honestly say that I would not have passed without it. In an era when science and math rely heavily on calculators and computers, students must be prepared to deal with the...
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  5.0

by: thundrstorm
Recommended to buy: Yes

Pros
useful, compact, easy to operate
Cons
expensive, will be outdated in a few...
 
8 out of 8 people found this review helpful.

Ti-89 (Texas Instruments)

Date of Review:  Apr 10, 2006
Review: I am really lacking in my math skills. The Ti-89 helps me maintain a high average in math. The Ti-89 has a superior user interface and a wide variety of functions. This calculator is also superior at 3D graphing. You can also download hundreds of...
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  5.0

by: alphawolf89
Recommended to buy: Yes

Pros
Good Value, Hundreds of feautres and...
Cons
Not as much RAM as the Ti-89 Titanium
 
12 out of 12 people found this review helpful.

The TI-89 Titanium is a first-class toy!

Date of Review:  Sep 13, 2008
The Bottom Line: The TI-89T is an excellent calculator for high school, college, gaming, professional and scientific use. If you need something more muscley, buy a computer.
Review: I never really had a graphing calculator before, and I wanted to get a good one. Everybody who had something to say on the subject said that the TI-89 Titanium was the best in the class. So I went on eBay and bought one for $110 plus $8...
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  5.0

by: jenab6
Recommended to buy: Yes

Pros
Fast, versatile, capacious for a...
Cons
Learning curve. Teachers don't like the...
 
21 out of 21 people found this review helpful.

Good Tool for AP

Date of Review:  Jul 29, 2005
The Bottom Line: This is an excellent tool for AP classes, but you will still have to know your math.
Review: Overview:

The TI-89 is undoubtedly the best calculator you can get. It has more memory, is faster, and has a better OS than the TI-83.

The Good News:

The TI-89 can run programs that are more demanding than the TI-83...
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  4.0

by: bravomedic
Recommended to buy: Yes

Pros
-See below.
Cons
-See below.
 
6 out of 6 people found this review helpful.

Ti-89

Date of Review:  May 20, 2006
Review: This is a great calculator for the high school or college student. I like it much better than the new titanium version as it is easier to type quickly on having used the same style for many years. It does nearly everything that one could want in a...
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  4.0

by: cstefaniak
Recommended to buy: Yes

Pros
Size, calculating power
Cons
small rubber feet fall off after some...
 
14 out of 14 people found this review helpful.

Powerful and Durable

Date of Review:  Aug 3, 2004
The Bottom Line: Absolute amazing calculator and a good investment for the future.
Review: 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)...
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  5.0

by: paulygon
Recommended to buy: Yes

Pros
CAS, 68K processor, durability,...
Cons
graphical user interface, some math...
 
22 out of 22 people found this review helpful.

Texas Instruments TI-89: Is This God?

Date of Review:  May 1, 2003
The Bottom Line: The Texas Instruments TI-89 is by far the best calculator in the TI-8X series. It's like a God for high school and college!
Review: The Texas Instruments TI-89 is the most expensive and advanced calculator in the TI-8X series. It's much more money than either the TI-83+ or TI-86. However, the difference in price is worth it when you see the capabilities that the Texas...
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  5.0

by: soupcraze
Recommended to buy: Yes

Pros
Features, Interface, Programs
Cons
Difficult To Use
 
5 out of 5 people found this review helpful.

WOW!

Date of Review:  Oct 5, 2005
Review: This calculator is amazing. I got it as an engineering student just starting college because I heard its a calculus whiz. It is. It can do derivatives, Integrals, 3D graphs, and solve equations easily. Not to mention there is a Text Editor to type...
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  5.0

by: hunterf8705
Recommended to buy: Yes

Pros
Amazing abilities. Makes complex...
Cons
Hard to learn to use
 
8 out of 8 people found this review helpful.

EVERYTHING YOU NEED!!!

Date of Review:  Apr 12, 2008
The Bottom Line: I would recommend it, because it is easy to use, can be used in all math classes
Review: The TEXAS TI-89 TITANIUM SCIENTIFIC CALCULATOR is the only calculator you ll ever need! With this superhero calculator you have all the appliances that you need to do the things you need. I am in college and with all my college classes that I need a...
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  5.0

by: crazy_tiff
Recommended to buy: Yes

Pros
long lasting batteries, amazing...
Cons
Money, comes with out an adapter
 

Showing 21 - 30 of 106 Reviews

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