Showing posts with label math. Show all posts
Showing posts with label math. Show all posts

Ti-nspire Cas Software-teacher Review

Ti-nspire Cas Software-teacher
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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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HP F2229AA#ABA 12c Financial Calculator Review

HP F2229AA#ABA 12c Financial Calculator
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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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Chocolate Deluxe Calculator Review

Chocolate Deluxe Calculator
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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 Silver Edition Calculator Designer Face Plate Review

TI-84 Silver Edition Calculator Designer Face Plate
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I loved this faceplate! The only reason why i'm giving 4 stars is because of the skull on the front. other than that... its really pretty.

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This FacePlate and Holster fits TI-84 Plus Silver Edition. Easy to install protective aceplate. Personalize your TI-84 Plus SE with this designer faceplate & slide holster.

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Texas Instruments Inc. TI-84 Plus Silver Edition Pink Graphing Calculator (Extra Purple faceplate) Review

Texas Instruments Inc. TI-84 Plus Silver Edition Pink Graphing Calculator (Extra Purple faceplate)
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This model of the TI-84 Plus Silver Edition is pink. The color may help ward off theft, but at the very least it is definitely not easy to misplace the calculator.
From the TI site you can find comparison charts, and for high school here are the main additions that the Silver Edition has over the regular TI-84 Plus:
It is for Precalculus, Chemistry, and Geometry. This has more memory and a few other bells and whistles, but the deciding factor may be if you are in one or all three of those classes. This also comes with downloadable SAT and ACT test questions to help a person prepare for those.
For the price, if you're considering this being used at least one year in high school and 4+ years of college, it's about $20-30 a year for one of the most helpful tools a student needs. Two thumbs up!


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Texas Instruments Inc. TI-84 Plus Silver Edition Pink Graphing Calculator (Extra Purple faceplate)The latest and greatest for high school students. An enhanced version of the TI-83 Plus, the nation's best-selling high school graphing calculator, the TI-84 Plus Silver Edition offers a built-in USB port, 9x the memory and 2.5x the speed of the TI-83 Plus. Already preloaded are 30 software Apps, including Cabri Jr. foralgebra and geometry and Periodic Table for science and chemistry. High-resolution, 8-line display includes horizontal and vertical split-screen options and exponents. Convert matrices to lists and vice-versa. Solve numerically for different variables in an equation with the interactive equation solver editor. Build scatter plots, xy-line plots, histograms and probability plots for statistics. Graph rectangular functions, parametric and polar expressions, and recursively-defined sequences. Practice for college-entrance exams with SAT StudyCards and official AP Biology exam review questions. Use the included cable to download new Apps, share data with a classmate or connect to any TI presentation tool and display your work to the class. Changeable color faceplates and kickstand slide case available separately. Features:* Electronically upgradeable operating system and features with extensive programming capability* 30 preloaded software Apps, including including Cabri Jr.* 9x the memory and 2.5x the speed of the TI-83 Plus* Built-in USB port and cable (included) make sharing data with a classmate easy* Prep for college with AP* Biology exam review questions andSAT StudyCards* Connect to any TI presentationtool (adapter sold separately)

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Learning Resources Calculator Storage Pocket Chart (LER0056) Review

Learning Resources Calculator Storage Pocket Chart (LER0056)
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Perfect size for holding "clickers." Big numbers in MIDDLE of pockets easily allow students to replace their clickers in the correct pocket. Sized just right for easily slipping clickers in and out, yet deep enough that they don't fall out.

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Calculator Storage Pocket Charts Convenient calculator storage charts keeps calculators organized and ready for student use. Features metal grommets for hanging. Made of durable nylon with clear, numbered plastic pockets.

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Texas Instruments TI-82 Graphing Calculator Review

Texas Instruments TI-82 Graphing Calculator
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This calculator is good and is designed for pre-algebra and algebra students. However it is a very old model and has been discontinued. Most schools now use the newer TI-83 plus.

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TI-84 Plus School Pack Review

TI-84 Plus School Pack
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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-84 Plus Silver Edition Graphing Calculator (Pink) Review

Texas Instruments TI-84 Plus Silver Edition Graphing Calculator (Pink)
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I absolutely love this calculator. I used to have the Ti83 silver but then I decided to upgrade. This calculator has more space and well, it's pink. Not really a math person, everytime I walk into the math class room and take it out, it just brightens my mood. This calculator is easy to use, and very practical. You can use it for your highschool and college classes, and also for standardized test like the SATS. More memory is helpful because you can store more custom made applications. The silver edition lets you change faceplates as well so if you ever get tired of the pink, just pop it off and switch the plate. I love this calculator, and i guarentee you will be happy with your product.

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Building on the hugely popular TI-83 Plus, which is perhaps the best-selling calculator of all time, the TI-84 Plus pink edition is completely compatible with the TI-83 family. From that well-established platform, this new model adds more speed (a processor that's 2.5 times faster), an enhanced high-contrast display (eight lines by 16 characters), changeable faceplates (pink included), and a suite of 30 applications. And with nine times more memory than the TI-83 Plus (1.54 MB of RAM, 480 KB Flash ROM), there's plenty of room for even more applications and your own data storage. It also adds USB on-the-go technology (cable included) that can be used to share files with other calculators or to connect to PCs or optional presentation tools.
Thirty applications are pre-loaded. Popular application titles include Cabri Jr., CBL/CBR, Conic Graphing, Inequality Graphing, Probability Simulations, Science Tools, StudyCards, TimeSpan, Topics in Algebra 1 Chapter 5, Topics in Algebra 1 Chapters 1-4, Transformation Graphing, and more. For students in math and sciences, the TI-84 Plus pink edition is a powerful, problem-solving tool with features for storing, graphing, and analyzing up to 10 functions. Plus, it displays graphs and evaluates tables on a split screen, allowing you to trace the graph and scroll through table values simultaneously.
With the TI-84 Plus pink edition, you can view an equation, its graph, and the coordinates all at one time. Jump from point to point by entering a number. Several useful plot types are available, including scatter, box-and-whisker, XY-line, histogram, and normal probability plots. Advanced statistics and regression analysis, graphical analysis, and data analysis are readily accessed, along with features for calculus, engineering, financial, logarithm, trigonometry, and hyperbolic functions--all crucial tools for advanced analysis. With its clear display and fast processing, the calculator incorporates graphing tools for mathematics and science course work, including statistics and finance.
The TI-84 Plus pink edition is powered by four AAA alkaline batteries (not included) and one silver oxide battery (included) for backup. An automatic shutoff feature is included to save energy. It is supported by a 1-year limited warranty.
What's in the BoxTI-84 Plus pink edition, USB cable/TI connectivity cable, pink faceplate, silver oxide battery, TI Product CD-ROM with full reference guidebook and free software applications, and warranty information.

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Prizm FX-CG10 Color Graphing Calculator (Black) Review

Prizm FX-CG10 Color Graphing Calculator (Black)
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Casio Graphing Calculator (FX-9750GII-WE)
If you are on a tight budget, check out the link above for the 9750 GII by Casio. This is the best bargain of all graphics calculators. About the only things I find missing on this 50.00 calculator are geometry and spreadsheet apps. Mathematically, this is a powerhouse.
But, if you have a few extra dollars, you should definitely consider the Prizm. It has all the capabilities of the 9750, plus a spreadsheet and the best portable geometry software I have ever used. The hi-res color screen makes this possible, and it is a real breakthrough.
When you are using your computer (Linux, Windows, or Mac), be sure to download the free software "GeoGebra". The Prizm is a portable machine which does the mathematics of GeoGebra.
And finally, compare the Prizm to the remarkable apps being developed for the IPhone and IPad. The Prizm excels since it has a genuine keyboard and gives such beautiful results. (It also has a battery which lasts 140 hours as compared to the two hours on an IPhone.)
This calculator is truly superior. I use it extensively for solving difference equations,
carrying out statistical analyses, solving calculus problems, and exploring geometrical relationships.
This is the finest graphics calculator I have ever used in my many years of teaching mathematics. It is a beautiful tool to make mathematics really enjoyable.

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Graphing calculator with hi-res color LCD display, resolution: 216 x 384 dpi Picture Plot image background. USB port. Icon driven menu providing easy access to advanced functions. Permitted on AP,SAT,PSAT/NMSQT and ACT college exams. Slide cover included.

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TI-Nspire CAS with Touchpad Review

TI-Nspire CAS with Touchpad
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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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Casio FX300ES 2-Line Scientific Calculator Review

Casio FX300ES 2-Line Scientific Calculator
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My first scientific calculator was a Sharp. Then I spent many moons in the land of TI. I'm so fond of the TI-84+ I had firmly decided I was a TI-gal. Then, I tried to buy some for my classroom a night or two before the start of the school year and the store was out of TIs. They had this lovely calculator. I'm embarrassed to admit just how long I stayed in front of that display debating over whether I was willing to commit to an unknown brand, especially when I didn't care for the Casios I had seen before. Finally, desperate to have a few on hand for my students, I purchased them.
It didn't take long for my students to find all the neat features. I originally chose them for the permutation/combination features and was curious about how useful stacked fractions would be for high school students. WOW.
My only complaint (until recently) was that they are so fabulous, five of mine walked off. This was bad news...until...I discovered the next level up which includes imaginary/complex numbers. So for next year...I'm going to upgrade my stash and guard them more fiercely.
I only put four stars because I soooo want those complex numbers now and all the other features I'm thinking I can get. I still prefer a TI-84, but our students are not allowed to use graphing calculators on their end-of-course test so I want them to get comfortable with a calculator that will serve them well. I was wishing I could put 4.9 stars (or 49/10 stars as my calculator would say). This is really a wonderful little device.

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FX-300ES is a scientific calculator.

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