60% of people rated Texas Instruments - TI-89 Graphic Calculator as 5 stars
60% of people rated Texas Instruments - TI-89 Graphic Calculator as 5 stars%
60%
33% of people rated Texas Instruments - TI-89 Graphic Calculator as 4 stars
33% of people rated Texas Instruments - TI-89 Graphic Calculator as 4 stars%
33%
7% of people rated Texas Instruments - TI-89 Graphic Calculator as 3 stars
7% of people rated Texas Instruments - TI-89 Graphic Calculator as 3 stars%
7%
No one rated Texas Instruments - TI-89 Graphic Calculator as 2 stars
No one rated Texas Instruments - TI-89 Graphic Calculator as 2 stars%
0%
No one rated Texas Instruments - TI-89 Graphic Calculator as 1 star
No one rated Texas Instruments - TI-89 Graphic Calculator as 1 star%
0%
87% 87% of people recommend Texas Instruments - TI-89 Graphic Calculator 13% of people don't recommend Texas Instruments - TI-89 Graphic Calculator 13%
 

Texas Instruments - TI-89 Graphic Calculator Comparison

5 star rating Most Helpful
Favorable Review
DEC
9
2008

I used this calculator in my high school calculus class. The instruction manual is big enough to be a full-length novel, but if you take the time to read parts of it, you may be surprised at how many problem-solving steps this calculator can eliminate for you. And after performing the functions several...

review »
reviewer
a busy person, somewhat tech savvy

mandysue22
Emmaus, PA
Did you find this review helpful?
 
 
3 star rating Most Helpful
Critical Review
AUG
30
2008
The TI 89 Calculator can do pretty much anything you need. The huge down fall is that most of the time if you need insturctions for it your wont get it in your high school or college classes because they all use the TI83 or TI84 's . Not only that but i am currently in a Pre-calc & trig class at my local... review »
2008 Reviewer
pc-user, a busy person

leeann07
Hollywood, FL
Did you find this review helpful?
 
 

Texas Instruments - TI-89 Graphic Calculator Ratings and Reviews

items/page: 15 | 30 | 50 displaying 1 to 13 of 15 sort by: most helpful | date | rating


1
helpful
vote
practical, into music, budget conscious, appreciative of good service, reliant on my phone, a busy person, pc-user, value conscious

NOV
28
2007
The TI-89 Graphing Calculator is an amazing product.  It can perform so many more tasks than the TI-83 or -84 and it costs only a little bit more.  I used this calculator in my AP Calculus class last year and use it this year, in my Calc 2 class.  Every one of my friends was so jealous of me haha.  While they were having to memorize complicated calculus formulas and rules, I just laughed and scored higher than them on our tests.  And its all because of my trusty TI-89.  This calculator is great and I strongly recommend it to any high school or college student who is taking math classes.
Did you find this review helpful?
 
 
4 star rating
uuklyph
Marstons Mills, MA



D
a techie

APR
11
2009

Before I bought a TI-89 Titanium, I had used a TI-83 Plus for four years. After taking calculus and learning about limits, derivatives, integrals, infinite series, Taylor series, differential equations, and multivariable functions, I decided that I would look for a calculator which was capable of symbolic computation. After analyzing my options, I decided on a TI-89 Titanium. The TI-89 Titanium is able to expand polynomials, factor polynomials, and do all of the calculus techniques that I mentioned -- symbolically and numerically. One of the other things I found helpful was the TI-89 Titanium's...

review »
Did you find this review helpful?
 
 
5 star rating
reviewer
PinkbyVS
Saint Paul, MN



Reviews continue below ads

D
practical

JAN
15
2009
I seriously cannot remember how I managed to do any kind of math before I bought a TI-89.  It is so incredibly powerful and can perform a ton of difficult operations, saving you a lot of time.  Unfortunately, the TI-89 is not allowed in many classes, but it is still useful for checking your homework or for quick calculations in independent work.  Also, it is rather necessary to read the manual as it can be a bit complicated to use.  But once you get used to it, it makes calculus easy and fun.  The pretty print technology, which sounds a bit lame, is actually very useful as it is easy to make... review »
Did you find this review helpful?
 
 
5 star rating
reviewer
bluechopsticks19
Ballwin, MO



D
budget conscious, a busy person, computer literate, practical, somewhat tech savvy

JUL
28
2009

The Texas Instruments TI-89 Graphic Calculator is the best graphics calculator I have ever used. I've worked as a mathematics tutor for years, so I've seen my fair share of them. My only warning is it is easy to get too dependent on its features and forget how to do things for yourself (which could be bad as this calculator may or may not be allowed in a particular class).

It is only slightly more expensive than the TI-83 or TI-84, but it can do far more (and it is much easier to use than either of those). It can solve equations, do matrices, diferentiate, intergrate, and loads more.

One of the...

review »
Did you find this review helpful?
 
 
5 star rating
reviewer 2009 Writer
j9j
San Antonio, TX



D
Every day computer user, a person who enjoys quality

DEC
19
2007
The TI-89 is far more powerful than some of the older models in that it can symbolically evaluate derivatives and integrals, something your TI-83 (and not even MATLAB) can't do. It can even solve differential equations for you. Many of the commands are similar to MATLAB, so if you are used to that, it is good. Programming on the 89 is quite a bit more difficult than on the 83, but still doable. Generally, it seems like an 83 will get you through about pre-calculus, but the 89 will help you go further and will help you in calculus (single and multi variable), differential equations, and linear algebra.... review »
Did you find this review helpful?
 
 
4 star rating
reviewer
lazcisco
Chapel Hill, NC



D
somewhat tech savvy

FEB
18
2008
I purchased my graphing calculator in 8th grade. At first, my parents and I were alittle upset because they are so expensive. However, this was one of the best purchases we ever made. This calculator has lasted since 8th grade and I am now a freshmen in college. Every single year I use this calculator and it has never failed me. If you are looking for a good, reliable, calculator that can do just about anything, this is definetly the calculator for you!
Did you find this review helpful?
 
 
4 star rating
reviewer
xgangsta
Bethlehem, PA



D
an engineer

JUL
28
2008
The TI-89 has a huge set of features.  I also have a TI-83, which gets superior battery life, but the TI-89 does symbolic integration, symbolic derivation, and units conversion.  Also, pretty print helps avoid lots of common errors from improper use of parentheses.  Overall an excellent calculator, and worth the extra money if you're going to be pursuing a field in engineering.
Did you find this review helpful?
 
 
5 star rating
reviewer
joshjw
Somerville, MA



D
a busy person

OCT
3
2008
I have a TI 89, and I love it. I have had my calculator for more than three years. This calculator can do just about everything. But if you do not need any of the higher functions, this calculator is not for you. A down side is that for some standard test you can not use it, but I have had no trouble using it for college classes.
Did you find this review helpful?
 
 
5 star rating
reviewer
YUMMMM
Midway, KY



D
somewhat tech savvy

JUN
11
2008
the Texas Iinstruments TI-89 is very Easy to use, it has many great features and extras.The TI 89 is NOt allowed for ACT college prep test, but the Texas Instruments TI-89 is allowed to be used on the SAT college prep test. The TI 89 is a little large but worth it.
Did you find this review helpful?
 
 
5 star rating
reviewer
CHILLDOWNS
Indianapolis, IN



D

APR
25
2008
I love this product! This graphing calculator can be used on tests such as AP Calc AB / BC and on the SAT 1 and SAT 2 SUBj tests.  This calculator's resolution is pretty defined and this calculator is way better than the rest of the TIs that can be used. I LOVE IT. a MUST HAVE
Did you find this review helpful?
 
 
5 star rating
reviewer
xdaxchicksterx
El Monte, CA



D
computer literate

OCT
5
2009

This claculator has everthing you would need. it draws the graphs in a perfectly legiable manner and has a neat contrast button incase he screen is too dark or light. And when you are not using it for work, you can program working games into it as well!!


Did you find this review helpful?
 
 
4 star rating
reviewer 2009 Reviewer
tigres13
Fort Lauderdale, FL



D
a techie

AUG
28
2009

I used this calculator throughout my last two years in college. I studied electrical engineering. It has some great programs that are very useful and its easy to share stuff with friends that have TI's too. 

 


Did you find this review helpful?
 
 
4 star rating
reviewer
morningalma
Belmar, NJ



D
a techie

OCT
19
2008
TI-89 has been my friend through college. It has so many functions!
Did you find this review helpful?
 
 
5 star rating
reviewer
bluewing823
Atlanta, GA



Reviews of Texas Instruments - TI-89 Graphic Calculator


Start a New Discussion about Texas Instruments - TI-89 Graphic Calculator