Ti-nspire Cas Software-teacher Review

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(More customer reviews)The TI-Nspire CAS is an improved version of theTI-89 calculator. Like the TI-89 it has graphing and symbolic capability as well as the usual calculator functions. What is new in this calculator over the TI-89? The features that I have been able to identify and use are a definite improvement. One feature is that there are templates for most of the operations needed in calculus. These include integration, differentiation, limit, product, and others. The templates make it less likely that there are syntax errors in entering a calculation. The templates can also be used in programs as well as doing individual calculations.
It is possible to organize problems and documents on the TI-Nspire CAS. You can save work as documents. The documents have pages to organize the work into logical divisions. Your work can be saved and retrieved in an organized way. It is also possible to have more than one window displayed at a time. By this means you can monitor a graph as a parameter is changed or you can immediately see the effect of changing some part of a program.
The software version of the TI-Nspire CAS calculator is invaluable for those using the calculator in the classroom. Now you can bring a laptop to class with the software installed. By connecting the laptop to a projector, you can now teach the use of the calculator very effectively. The display is more detailed than projecting the calculator display. With the software version is also easier to write programs and do calculations since you have the computer keyboard and mouse.
Are there drawbacks? The TI-Nspire CAS is definitely intimidating. Once you have learned to navigate its many features, it is very powerful. However, without help, you will have trouble seeing how to do even some of the simple things that you may have in mind. As the calculator becomes more popular, this will not be the problem that it is now. Now, there is no one to turn to when you are frustrated.
As an example, I created some functions. They were examples to see how to create the functions and use them. When I was finished I wanted to delete them. But how do I delete them? Being familiar with the TI-89, I thought that the process would be similar. The familiar ways in the TI-89 did not work on the TI-Nspire CAS. Now that I have figured it out, it is simple enough. But finding the solution to this and other problems can be frustrating for the beginner. A human guide would be helpful and for most people essential.
How does the software compare with Maple and Mathematica? The TI-Nspire CAS software is limited, but has enough capability to be useful for classroom use.

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TI-Nspire Cas Software-Teacher

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Ti-nspire Touchpad Keypad Review

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(More customer reviews)I've used several different types of TI Calculators: A basic scientific calculator in elementary school (TI-30x), a TI-84 Silver Edition for Algebra and Geometry, and the TI-Nspire for Algebra 2 and Pre-calculus. When I recently got online and saw that TI had released the new touchpad keypad along with the new Nspire calculators, I ordered the new keypad right away. After all, this new keypad has a touchpad, so it must be great... right?
Wrong. It first must be noted that the touchpad is likely the best part of this new keypad. The touchpad functions reasonably well, only occasionally freezing up. There is a small rivet in the middle of the touchpad, which sometimes causes interference (this is also the only area in which you can tap the keypad to click, evidently they could not spread this feature to the other few inches of the touchpad). If you enjoy manipulating graphs by dragging various lines to different places and watching the numbers change... then you will probably enjoy using the touchpad. However, the touchpad is useless for doing the usual calculations. As would be expected, using the keys on the calculator is much faster for navigating the various menus on the Nspire.
Calculators generally have the same layout. The numbers are arranged in the same order; the plus sign appears under the minus sign, the minus sign under the multiplication sign, and the multiplication sign under the division sign. The makers of this new keypad seemed to feel the need to change this... The results, well, just look at the image of the keypad. These operations now appear side by side in groups of two (so if you're used to the traditional layout, it's quite annoying). In fact, they have rearranged a lot of the buttons on this new keypad, some of which include:
1. Instead of the traditional SIN, COS, and TAN buttons appearing, there is now just one button labeled 'trig'. Which means if you want to use TAN, you now must press the 'trig' button three times and then press enter. It takes even more button presses to reach the inverse TAN (of course, if you care to spend even more time you can select this using the touchpad)!
2. The original Nspire keypad had 16 round gray buttons. This meant simple one button access to the imaginary number, the heavily used value pi, various punctuation marks, etc. This new keypad has just 6 round gray keys, meaning you will need to press more keys to get to the same symbols you could access with just one or two keys on the original keypad. To use pi now requires two presses, the imaginary number and theta: three.
3. And perhaps the biggest move is that all of the alphabet keys now appear at the bottom of the keypad. This means a few things: (1)If you were finally improving your Nspire typing skills, this keyboard is a different width than the original Nspire keypad. (2)The keys are now even more cramped together, making it uncomfortable to type. Those with large fingers might have trouble typing. (3)The shift key appears in a completely separate area than the keypad, not very handy.
And now a few comments regarding how the keys feel when pressing them:
1. The alphabet keys make a loud and annoying clicking noise when pressed.
2. The round gray buttons also make the same annoying clicking noise.
3. The remaining white keys, the enter, ctrl, shift, var, and del keys all feel about the same to press as the original Nspire keypad keys (thankfully).
4. The remaining black keys (the ones in groups of two) require little to no force to press at all and make hardly any noise compared to the rest of the keys. The difference in the force required to press down on these black keys verses the white number keys is quite annoying when making calculations.
Overall, this is not a good keypad upgrade. If you're used to using the first Nspire keypad, it has much better functionality, so there is no reason to switch to this keypad. The only functionality advantage (besides the touchpad) this keypad has over the original is the button which allows you immediate access to the Scratchpad (which seems to be a relatively pointless function that was added to OS 2.0). If they had simply added the touchpad to the original keypad it would have been a great upgrade, but they didn't.
One last note, this keypad does come with a free registration code for the TI-Nspire Student software, so if you're interested in that, then this may be worth the price.

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TI-Nspire Touchpad Keypad

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Texas Instruments - TI 73 Explorer-Blue (TI73EXPLORER) Review

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(More customer reviews)The calculator they ship under this item number is not the view screen calculator. It is simply a TI-73 that can be purchased at this price in many places. I should have known that the price was too good to be true. I will not do business with this company again.

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MODEL- TI73EXPLORER VENDOR- TEXAS INSTRUMENTS FEATURES- TI73 Explorer Handheld Calculator- Blue Graphing calculator with 32 KB memory with unit to unit link cable for middle grades mathematics and science. * Graph Explorer Software Functionality * Stacked fractions. * Seven (7) statistical plots: pictographs pie charts bar charts and more. * Scrollable home screen. * Four (4) constant features. * English and metric conversions. * Compatible with the Calculator-Based Laboratory (CBL) and Calculator-Based Ranger (CBR) Systems to allow collection and analysis of real-world data. * Applications created by TI Sunburst Software and others. * More advanced functions accessed through pull-down menus. * 14-digit accuracy displayed to 10-digits with 2-digit exponent. * Graphs four (4) functions simultaneously. * Up to seven (7) graph styles: thin thick animate animate with path and more. * User-defined list names stores up to 999 elements. * Thirteen (13) zoom features. * Function elevation table. * List-based one and two-variable statistics including linear quadratic exponential med-median and manual-fit regression models * Three (3

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HP F2229AA#ABA 12c Financial Calculator Review

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(More customer reviews)I happen to buy this product directly from HP. I had it for two weeks and the interal display broke. Called HP tech to find out about getting it repaired, and was told that it was my fault that it broke, and that it was not something that could be repaired, bottom line I was told I had to buy another at 160.00. I have had a complain into Hpheadquarters for about a week now and have not gotten a response. Next step is the better business bereau.

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Graphing calculator is designed for surveying, engineering, math and science professionals and students. Features a large equation library, more than 2,300 built-in functions, 75Mhz ARM9 processor, a SD card slot with formatting functions, RPN, Algebraic and Textbook data entry, large high-contrast screen (9 lines x 33 characters), serial port and plastic casing. Easily performs complex arithmetic and calculus functions with advanced Computer Algebra System (CAS). Calculate advanced expressions and view solutions in 2-D or 3-D graphical representation. 2.5MB total memory includes 512KB RAM plus 2MB flash ROM for performing future upgrades. Enhanced HP keypad with redefinable keyboard and menu keys reduces keying errors. Customize data with four font sizes and styles. HP Solve application allows you to type and store an equation, then use to solve any variable. Calculator includes a USB connectivity kit with USB cable, connectivity software and pouch. Runs on four AAA batteries.

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Texas Instruments TI-Nspire Math and Science Handheld Graphing Calculator Review

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(More customer reviews)This calculator is a great uprgrade from the Ti-84 and Ti-89 series. It is more that worth the price. Not many people have them only because the Ti-84 are recommended by schools. They are recommended by schools because that is what their teachers and instructors know how to use and therefore are familiar with the operations. If you go with the Ti-Nspire, which I highly recommend, buy the Ti-Nspire for Dummies at the same time because you won't find many people in which to ask for advice. Within a week you will be light years ahead of all of the Ti-89 and Ti-84 users if you go through the dummies book.

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Generous 3.5" diagonal screen size with exceptional 115 dpi resolution.

TallyGenicom TINSPIRE.

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Chocolate Deluxe Calculator Review

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(More customer reviews)Calculator works, but the buttons are so hard to push it's not worth it. It is one plastic overlay for all the keys and the plastic is too rigid.
Wasn't practical so we tossed it.

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Got Chocolate? Everyone who loves chocolate needs a chocolate calculator. Even smells like chocolate. Yum! 4.5" x 2.5""

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TI-84 Plus School Pack Review

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(More customer reviews)This package has everything and a kitchen sink. Its such an incredible deal! The only problem is, it water powered, and I dropped it in the supply and fried all the circuits. But since i saved 66% on the first, I went and bought a second one and just used the first as a super cool paper weight. Needless to say I am the coolest gu in the office.

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MODEL- TI84PLUSTKYELVENDOR- TEXAS INSTRUMENTSFEATURES- TI84 Plus Graphics Calculator- Teachers Kit Yellow Teacher Pack includes (10) TI84PLUS calculators each with a bright easy-to-spot "school bus yellow" back cover and slide case. In addition each units faceplate is inscribed with the words "School Property".Also includes (10) USB cables (10) unit-to-unit cablesand manuals; (40) AAA batteries; (1) product CD poster and transparency. With the TI-84 Plus all students can now share their work by connecting their TI-84 Plus to any TI presentation tools for the whole class to see fostering a collaborative learning environment.Plus a built-in USB port makes data transfer to your computer and between handhelds easier than ever. The TI-84 Plus handheld is fully loaded with convenient features and accessories including a kickstand slide case compatibility with TI presentation tools on every unit and more!* Electronically upgradeable graphing handheld allows you to have the most up-to-date functionality and software applications (Apps).* 2.5 times the processor speed of the TI-83 Plus.* 480 KB FLASH ROM memory for data archive and storage of Apps.* 24KB of available RAM memory.* USB port for computer connectivity unit-to-unit communication with TI-84 Plus and TI-84 Plus Silver Edition graphing handhelds and more.* I/O port for communication with other TI products.* Internal Clock with date and time display.* TI Connectivity Cable included.* TI Connectivity Cable and TI Connect software allow information to be transferred to and from a computer and printed or stored on disk.* Included Apps: Cabri Jr. CBL/CBR Conic Graphin

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Texas Instruments TI-NSpire Math and Science Handheld Graphing Calculator Review

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(More customer reviews)Strengths:
The document management system -- multiple "problems" can be kept in the calculator at the same time, and each problem keeps its own variable names; good graphing capabilities; ability to split the screen and work with multiple views of the same problem; spreadsheet application. The calculator has 5 "applications" (calculator, graphs & geometry, spreadsheet, data & statistics, notes), and information can be shared between them.
Weaknesses:
The documentation is very poor. There are two user guides, with considerable overlap in the contents. In User Guide Part 1, which comes packaged with the calculator, there are 25 pages on the Graphs & Geometry application, and the information on how to actually plot a graph is barely mentioned. User Guide Part 2 comes as a PDF file, and has more detail, but is badly organized and missing a lot of information. For example, instructions for a number of operations say to "drag" something, but nowhere in the manual does it say how to do that.
Keypad: other reviewers have commented on the difficulty pressing the right buttons on the keypad. Even worse is the "mouse" operation. I finally discovered that dragging involves holding the center "Click button" while pressing the arrow keys on the "NavPad". It is very difficult to control the cursor with the NavPad, and doubly so when trying to hold down the click button. Also, what operation is done by a click or drag is dependent on where on the screen the cursor is, and it's difficult to control the cursor location with the level of precision needed.
TI-84 compatibility: This seemed like a great idea. However, as far as I can determine, there's no way to integrate TI-84 functions with TI-Nspire functions. When you put in the TI-84 keypad, you get a TI-84. With the TI-Nspire keypad, you get a TI-Nspire. If you want to transfer information from one to the other, it seems to be impossible. The only relevant information in the documentation about TI-84 mode is a warning that if you update the operating system, all your added TI-84 applications will be deleted.
Lack of software: The TI-84 has a lot of user-contributed software. There's almost nothing on the TI web site for the TI-Nspire. I also didn't find much with a web search, and some of what is available requires the CAS version. For example, there don't appear to be any built-in physical constants or conversion factors for units. I could switch to TI-84 mode and get them, but then what's the point of buying the TI-Nspire?
Summary:
This calculator does not appear to be well-engineered or well-supported by TI. I would recommend waiting to see whether they give it the support that it deserves.

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The TI-Nspire handheld comes with a snap-in TI-84 Plus Keypad that provides the same keystrokes as TI-83 Plus, TI-84 Plus and TI-84 Plus Silver Edition graphing calculators. Whether handhelds are provided by your school or your students bring in personally-owned units, this side-by-side compatibility between TI-Nspire handhelds and existing TI graphing calculators delivers a comfortable transition to TI-Nspire technology.Inclueds USB cable for software and file downloads.

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Texas Instruments TI86 Graphing Calculator Review

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(More customer reviews)I had used a TI-83 for Precalc, but really needed something a little more powerful for Calculus, so I bought an 86. One of my friends has an 89, but many tests that allow graphing calculators still don't allow a TI-89 because they have "algebraic manipulation" capabilities, plus the 86 is cheaper, so I went with that. I have not been disappointed. It has a much cleaner interface than the 83, and the 83's only real advantage, a strong financial and statistics package, can be downloaded to the 86 as an addon. Be warned though if you do that, the Graph Link cable (to the computer) is not cheap. It's a great calculator with a lot of good features. Those looking for more features can easily customize it by programming it, a pretty straightforward process.

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Designed with power users in mind, the TI-86 graphing calculator has all the power and functionality of the popular TI-85 but with significant enhancements aimed at students of college mathematics, engineering, and science. The TI-86 includes a function evaluation table, deep entry recall, seven different graph styles with multiple line and shading options, and slope and direction fields for differential equations. In addition, the TI-86 boasts 96 KB of user-available memory--three times more than the TI-85. There's also a new function evaluation table which shows numeric output for function, polar, parametric, and differential equation modes.
The TI-86 runs with programs designed for the TI-85 and includes all the same matrix features, but with a new matrix editor that allows the user to view and edit matrices in two dimensions. You can also view multiple lists and attach formulas to those lists for automatic computations. A new aspect of the TI-86 is the ability to customize product functionality with machine language programs downloaded from TI's Web site. Besides the strong graphing abilities, the TI-86 also has powerful calculus features like integration, derivatives, minimums, maximums, roots, and arcs. It also supports Z80 assembly language programming.
The 64 x 128 high-contrast pixel screen displays eight lines of 21 characters each plus two levels of display menus. With the TI-86, you can link to other TI-86s and TI-85s via the input/output port, and to CBLs, CBRs, and computers. --Dana Van Nest

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TEXAS INSTRUMENTS TI-30XIIS Handheld Scientific Calculator - Pink Review

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(More customer reviews)TI-30x IIS calculators stinnk. The keys don't always get the numbers you press in and its really irritating. Makes homework go 2x as long as it has too.

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Texas instrument calculators are used by all and sundry that one way or the other finds themselves doing one calculation or the other.

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TI-Nspire CAS with Touchpad Review

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(More customer reviews)Call me totally impressed! I have used the TI-83/84 calculators for years but rarely the advanced features they offered. I often found them to obscure and annoying. The Nspire takes a powerful document approach that is totally different than the Ti 83/84 series.
This Nspire CAS Touchpad is quite a revelation. It took me all of an hour to understand (with the Dummies book at my side) almost all the functions it offers. The keypad is clear and obvious unlike the first versions of the Nspire. I was amazed at how much I could do with this device with so little effort. I have been using Mathematica for many of the classes I teach. The Nspire can replace Mathematica for most of the things we do in undergraduate physics and engineering courses. That is impressive.
The large screen is a bonus. The characters are clear with high resolution. The large screen means that everything you do is easier to see and analyze. The screen is adjustable but it is still a calculator screen. You need light to see it well as it is not backlit like LCD computer monitors.
Some people compare the Nspire with the Ti-89. Sorry, no contest. This Inspire runs rings around the Ti-89, a calculator I never really liked. It is faster, easier to use and read, and a joy to use. Don't waste your time with the TI-89. Putting a little time in learning the Nspire paradigm will reward you.
The Nspire comes with desktop software that duplicates the functions of the calculator. On a MacBook Pro, it installed right away without problems. There is a link included with the software that allows you to backup and update the Nspire as well as move files back and forth.
The Nspire links up with the Venier Go! and EasyLink sensors. I haven't tried this yet but will in the next week or so. We have LabPros and LabQuests for our classes, but it will be fun to try the Nspire anyway.
I have not been so impressed with a calculator since my very first HP-15C too many years ago. It's even more impressive than my first professional slide rule! I very rarely gush about a product, but this device is something I have been looking for a very long time.


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TI-Nspire CAS Handheld with Touchpad.Allows educators and students to explore mathematical expressions in symbolic form.On the Home screen, you can quickly perform calculations and graphing using the Scratchpad.Also includes TI's first learning handheld with touchpad technology, operating more like a computer and making it easier to navigate.Handhelds can use the TI-Nspire Rechargeable Battery (not included).Clamshell Package.

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Texas Instruments TI30XA Scientific Calculator Review

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(More customer reviews)I'm a research scientist who uses computers both at home and at work. But I also like to have a good scientific calculator ready at hand for convenience. I prefer Texas Instruments calculators for ease of use and reliability. I keep a calculator in my bedroom, den, living room, car, and at work. Three of my calculators are TI30XAs. That's right, as a practicing scientist I find that the bargain-priced TI30XA calculator has every scientific function I need for most problems. On the rare occasions that I need more power I use a computer. It never ceases to amaze me that many of my scientific colleagues are so computer dependent that they don't even own a calculator. Whenever they're away from their computer, they're lost. But with several TI30XAs, I have a calculator handy almost everywhere I am. You can spend more for a calculator but it's hard to find one that out performs the inexpensive TI30XA for most applications.

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Once you get to a certain level of math classes, a regular oldcalculator just isn't good enough anymore--you need a high-functioningcalculator that can perform algebraic, trigonometric, and statistical problemsin addition to general mathematical tasks. The Texas Instruments TI-30XAscientific calculator can do this for you. It is extremely handy when it comesto figuring tricky fractions. It can add, subtract, multiply, and dividefractions when entered in a traditional numerator/denominator format. Thiscalculator can also do a variety of conversions, from fractions to decimals,degrees to radians to grads, DMS to decimal to degrees, and polar torectangular. The display screen holds up to 10 digits.
For high school orcollege students tackling advanced math, this is a great tool (and a thoughtfulback-to-school gift), and with more professors allowing the use of calculatorsduring classes and exams, it's a necessary one. Easy to use and easy to slipinto a backpack, the TI-30XA will soon become indispensable for both the seriousand the striving math student. --Dana Van Nest

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Texas Instruments Ti-nspire Graphing Calculator with Touchpad Review

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(More customer reviews)I got this calculator a couple of days ago with the rechargeable battery (You should get it if you buy this, the $15 dollars will save money in the long run). The calculator turns on quick. Has great features. The touchpad is like a computer trackpad. You just move your finger and it moves the mouse.
It comes with many built in documents that teach you how to use the calculator. They're helpful if this is your first T.I. Nspire (This is my second).
The only reason I didn't give this 5 stars is because you have to go to T.I.'s website to get your FREE T.I. 84 keypad and wait for them to ship it to you. Mine still is has not arrived.
*Make sure to buy the rechargeable battery.
*Go to [...]
Have fun with your calculator!

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TI-Nspire Handheld with Touchpad.Only TI-Nspire technology has multiple handheld keypads that can be interchanged depending on the educator's preference.This allows the TI-Nspire handheld with Touchpad to be used alongside TI-84 Plus.On the Home screen, you can quickly perform calculations using the Scratchpad.Also includes TI's first learning handheld with touchpad technology, operating more like a computer and making it easier to navigate.Handhelds can use the TI-Nspire Rechargeable Battery (not included).Clamshell Package.

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Texas Instruments TI-30X IIS 2-Line Scientific Calculator Review

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(More customer reviews)Main Points:
I used this calculator for over 10 years before it finally stopped working, and I treated it fairly roughly (e.g.,coffe spills). I think others here have attested to the functionality of the TI-30, so I just want to emphasize that it's a tough little gadget as well. Yes, the buttons are on the small side and there is a bit of play, but this was never a major problem (although at times it slows down data entry). You can go to http://education.ti.com/downloads for a good overview of TI calculators, and you can scope out one of TI's major competitors at http://www.casio.com.
A Little History:
This was also one of the first commercially available low-priced calculators that had two-line display and backspace to correct or edit data entry. The dual-power and scrolling display features were also once unusual. The top line (for data entry) shows up to 11 characters; you can scroll backwards or forwards up to 88! The bottom line (shows results) displays up to a 10-digit answer along with a 2-digit exponent.
Individual Needs Differ:
From the reviews here, it appears that high school math is now more difficult than it once was. If you know that you're going to need graphing capability, then obviously this is not the choice for you. Similarly, the prevalence of laptop computers and math/stats software may obviate the need for some of the more advanced features.
Recommendation:
The layout is very good and, for such a low price, it packs a lot of calculating might. However, high school (or college)students may want to narrow their choices and then ask their teacher which one has the most relevant functions for the next few years of math. Compared to twenty-five or so years ago, one can now get a lot more calculator for the money. Depending on your budget, therefore, you might determine that a calculator like this is sufficient for your short-term needs, but that you'll need a new one if you go on to more advanced stats and math. In any event, this is a durable calculator that works very well.

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New 2-line display.Dual power:solor and battery.View entry abd results at the same time.Edit current entry.Edit and view previous entries.Menus with functions and mode settings.Five variable memories.One and two variable statistics, results, for linear tegression, trendline.Fractions and fraction/decimal conversions.Trigonometric functions in degrees and radians.

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