Customer Reviews - TI-89 Titanium Calculator Welcome to the customer reviews page for the Texas Instruments TI-89 Titanium calculator. You will both types of reviews, praising and not praising this calculator.
Before purchasing, be sure to read all the reviews. When you are finished, you can to go the page, or go to the page, or go to the page, or to back to the calculator Review For The Texas Instruments TI-89 Titanium Calculator Great Calculator June 14, 2004 By Michael Mazack (Washington State, USA) 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. Swam engine keygen crack. 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 ability to plot direction fields using different algorithms (including Euler's method).
To create more accurate search results for Calculus Made Easy Ti 89 Titanium try to exclude using commonly used keywords such as: crack, download, serial, keygen, torrent, warez, etc. Simplifying your search should return more. TI-89 graphing calculator program includes over 80 features for calculus. Some include sign charts, domain and range of functions, moving particle problems, differentiation and integration. Requires the ti-89.
One of the nicer things about this model (compared to the TI-89) is that it has USB connectivity (cord included) for installing applications and transferring data. Another nice thing is that it also supports connectivity to older model TI-89s via the old I/O port which is right next to the USB connector.
I also found the 'exact mode' very useful (exact mode will give you exact answers rather than decimal approximations). Yet, the most useful feature of this calculator is probably the 'pretty print' feature which displays expressions as you would normally write them on paper. This feature allows you to easily see the expression that you typed in. All these features plus copy and paste ability make this calculator nearly perfect. My only complaint is that the cover does not initially slide on and off easily. However, I'm sure that with more use it will wear in.
Overall this is a great calculator -- I recommend it. For calculus and beyond, perfect!
Anything below calculus, this is too much!, June 22, 2006 By D. Bezboruah (Irvine, CA) After using a TI-83 Plus calculator for the last 5 years, I decided to upgrade to the TI-89 Titanium. This calculator is unbelievable in its features and power. First of all, it is more suited for advanced math, such as calculus and beyond. This calculator is NOT meant for high schoolers who are taking algebra, geometry or trig classes. If you don't know what a derivative or an integral is, then save your money and buy a TI-84 instead. (Besides, I believe most high school math teachers ban the TI-89 on tests) This calculator can also run programs in its Flash memory, which can be downloaded from the TI website.
A USB cable is included standard. TI has made the newly designed sliding cover much more secure than the old TI design (TI-83 plus, TI-86, TI-89 regular), whose sliding cover was not very secure and became looser over continued use. The cover is very hard to get off the first few times (I was almost afraid of breaking it off), but over time it has gotten easier. Switching over from the TI-83, the only problem I've encountered is the operation of this calculator is very different from the 83. The menus are different, the interface different, different buttons. It takes a while to get used to.
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