Even though this calculator is less expensive than the TI-83 or 84 it is significantly better at life. It doesn't have a computer algebra system (CAS) so it's a bit unfair comparing it to the TI-89 or Nspire. That said, this baby has features that makes the TI-89 blush. I can calculate x intercepts at least twice as fast as my TI-89 toting classmates. y-intercepts are done with the press of a single key while the TI-83,84, and 89 require you to graph a separate line and find the intersection. The graphing itself is faster and more accurate than the TI-83 and 84 series. (I get zero when i'm supposed to get zero, not 1x10^-99) While the TI's tout the "pretty print" feature that only prints the answer the way you would see it in a text, the Casio lives there and lets you enter it into the calculator the way you would see it in your text. This is amazing because it means it's easy to catch and fix any mistakes that may be made along the way. The TI-89 has solve and expand features that the Casio can't compete with due to it's lack of a CAS. The Casio however will solve polynomial equations up to 6 degrees which is more than you're likely to need. It will give answers in fractions with multiplicities which allow you to derive the factors of polynomials for yourself with minimal effort. If you're going to need to work with matrices this thing will be a life saver. Sure, it will put a matrix in reduced row echelon form, but you're likely going to need to show your work. This thing will let do individual row operations. What does this mean? This means 1) You'll understand the concept better 2) the chance for an error being introduced is significantly decreased and 3) solving matrices will not suck. The downside is that your teacher may not be able to tell you how to operate it. If you're going into higher math however, you probably already know how to pull up Google on your smart phone. This calculator got me through first my first semester of college precalculus with an A. I hope it does the same for you.Read full review
The FX-9860GII is a great universal calculator in mathematical education. It's the calculator of choice in the geometry and algebra classes that I teach. I bought the pink one to keep as my instructor's calculator since the class version is grey. Every formula and function a student or instructor would need is featured in this calculator. The FX9860GII is ergonomically accommodating and simple to use.
Verified purchase: Yes | Condition: Pre-owned
This calculator has some features the my pre-calc child likes even more than the ti-84+. it works great and does everything she had needed for her classes. it is a bonus that it is much cheaper than the alternative TI.
Verified purchase: Yes | Condition: New
Prior to the Casio FX-9860GII I used a TI-84. In terms of processor speed the Casio is a Ferrari compared to the Texas Instrument 84. It graphs very well with little to no effort vs. the TI-84; which at times is so slow that you think it's frozen up. The screen is easy to ready and the functions are fairly intuitive. Best part of all, this Calculator flat out beats the TI-84 for less money. It has an equation solver, does factoring, and countless other operations. Very happy with the switch I made.
My job is accomplished by scientific math all the time. I have had others calculators from HP which are very impressive for doing the math job. But, sometimes it is struggle because of HP`s stack operations. Buying this Casio 9860 it was amazing since i can plot very fast with few headaches. If somebody is interested in performing graphs and any sort of math operations i think Casio is the right choice. Anyway, before purchasing take a glance at the advertisement in Casio`s website or even look at the manual. If you are not close to math and would like to perform medium to high complexity math operations i think the Casio can be your right choice.
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