Prizm FX-CG10 Color Graphing Calculator (Black) Review

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(More customer reviews)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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Casio FX300ES 2-Line Scientific Calculator Review

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(More customer reviews)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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