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In this video I test the easy of entering functions / equations and then graphing them. We look at the performance as well as the ease of navigating around the graphs (zoom in, zoom out, zoom box, tracing a graph):

Texas Instruments TI-84 Plus, Texas Instruments TI-89 Titanium, Casio USB FX-9860GII,Casio Prizm FX-CG10, Texas Instruments Nspire CX CAS, HP 50g, HP Prime, Casio II FX-CP400 ClassPad.

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Questions I hope to answer in future video reviews and tutorials:

What calculator do I need for school?

What calculator do I need for college?

What is the best calculator for algebra?

What is the best calculator for graphing / graphs?

What is the best calculator for calculus?

What is the best calculator for trigonometry?

How to use my calculator?

How to use RPN / Reverse Polish Notation?

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As a Texas Instruments lover, I must say the HP Prime draws circles around the competition! How blazingly fast is it? That will be my next beast 😀

Because of this detailed review I made the best choice and got this calculator for next year and the following because I will be taking Pre-calculus and then AP Calculus AB

HP ES LA MEJOR?

Im doing Mechanical Engineering in the UK, will the TI-Nspire CX CAS be accepted on the exam?

ti nspire cx cas is it manufactured in the usa? bought one few days back it says made in china. got it off amazon. so should i be worried about replica.

Very well done. Useful and right o the point! The audio could be a little bit better, but it’s more than enough

Which seems to be better for you (speed and which is best intuitive)? HP prime or Texas nspire?

Hey guys I need help, should I buy a Ti Nspire CX CAS or a HP Prime

Nice video and information. Was very helpful to me. Thanks, and keep on going 🙂

Thanks Dante

Now the HP Prime has pinch to zoom. Was and still is a winner!

Great review. I have always used HP calculators, right from my first HP-41C from the early 80s (which gave out after 20 years) to my current HP-50g. I have always had a high opinion of TI machines too, but never owned one, wanting the advantages of RPN. I remember back in statistics courses in college, there was always someone who forgot their calculator and wanted to borrow yours. So I would say, “sure, here you go”. “uh, where’s the = key?”. “It doesn’t have one, it uses Reverse Polish Notation. What you do is…”. “It’s ok, I’ll borrow someone else’s” Worked every time! I also would always finish working through the problems very much faster than anyone else because of RPN. Apart from simply needing fewer keystrokes, it was easy to undo a false step using the last x key, whereas with algebraic they would have to restart from the beginning. Back then, the programability was important, and I used lots of programs. I notice now that it seems of little importance, even though these graphing calculators are programable. It occurred to me watching your video why this is. When I wrote a program, I was actually entering the steps to solving an equation, but now you just enter the equation in one go (or have it in the library of the 50g), so you just need to set the variables and solve. However, the 50g, while a very powerful machine, is not as easy to use as my old 41C by a long chalk. That HP prime has me tempted, it seems a lot easier to get into if you aren’t using the calculator day to day.

Thanks for providing the comparisons but what is the difference between CAS and non-CAS feature? Please show the demo if you don’t mind.

?? There is an X button on the TI-84.

At which point do we call them PC’s!!!!

La calculadora HP Prime es muy fácil de comprender, fácil de manejar, aprovecha muy bien su interfaz, es sin duda la calculadora más rápida a un precio similar incluso más barato que sus competencias

I just bought a TI-NSpire CX CAS. I’m pretty happy with it, it’s a fairly powerful machine. After watching this video, I’m glad that I chose it. That Casio ClassPad seems terrible, I couldn’t live with it. It looks nice, but the performance is terrible, Casio certainly dropped the ball on that one. The main competitor to mine seems to be that incredibly powerful HP Prime. I’d be curious to see which one is more powerful.

Can you do linear programming in this?

Thanks for that tip Dante…that makes a big difference…I’ll point that out in a future video.

i’m doing mech/elec engineering which one should i get?

That was really useful. Thank-you. Glad I bought the HP Prime now. Think the HP Prime could use a more dense screen, but it was a good first for them.

Those graphlng calculators are complicated beasts. I like your hands-on approach to testing, with clear objectives and simple demonstrations. But you are using none of those calculators like an experienced user would, and therefore your video is flawed. For instance, there are two different ways to avoid using the alpha key when entering the variable name on the Casios, you can actually drag the graph space around on the nspire and scroll around, etc. Still a useful video, in particular because it illustrates performance and resolution very well.

at hp prime looks amazing…..

At 2:33, there is a “variable button right off the keypad.” Press the button directly underneath the mode key.

Excellent review…!!!! I’m currently contemplating purchasing the HP prime (the newer version). I’ve done some research including, downloading its user manual, watch other reviews, and read some literature just to get a feel for it. Thanks for your point of view.

Of course the touchpad is unresponsive. It was a dumb idea to design the Nspire around the touchpad, it’s slow, it’s combersome. They should have designed it so you can turn the touchpad off and go back to a click pad. Also the keypad is worthless on the Nspire with all the tiny rocker keys. You can’t get around this calculator with speed like you can with a keyboard like the 89, HP50G. If they redesigned the keypad and improved the font it would help the Nspire tremendously.

I really wish that they’d stop shoving more expensive graphing calculators down peoples’ throats. For every student who is actually making use of the computational power of their machine there are at least five who are just using theirs for real basic arithmetic. I guess that Texas Instruments is making a whole bunch of money though.

That being said I do like the HP50g. It’s a handy little machine.

Thanks..good point…noted.

i have a TI-Nspire as well, but it usually picks up the best when you start at the sides of the touchpad instead of in the center.

Between the Ti 84 and Casio, which one do you think is better for AP Calculus. My teacher do recommend Ti 84 but I do feel Casio is easier to use. However I do have to figure things out on my own which can be a disadvantage.

Hi, first of all sorry for my english, I’m from Peru and I have a great doubt, I study civil engineering and I’m between the HP Prime and the Casio Classpad fx-cp 400, which would you recommend? I’ll appreciate your prompt response

Hello. I am a Spanish engineering student and I need a graphing calculator. In your opinion, whats is the best calculator that I can buy?

I like HP Prime and Texas Instruments Nspire CX CAS, but there isn´t a lot of “engineering programs” for they in the Internet. On the other hand, for HP 50g and TI-89 there are a lot, but they are older.

Thank you very much for your help.

Hi. At 22:17 you said that the casio fx-9860GII doesn’t have variables straight off the keys but it seems to me that there is a variable key – it’s the third key below the F1 key and it says X, theta, T. Could you clarify if I am mistaken? Thanks.

I HAVE AW TI NSPIRE CX CAS IT WORKS COOL GRAPHING !

the CAS has some extra algebra features, it can solve hard equations like differential equations, indefinite integrals, and such things. For most used the regular version is probably good enough, but if you use a lot of harder equations you may want to consider the CAS version.

Hi DJ, I’ve not come across an issue like that but then I’ve not spent enough time using it yet. I’ll certainly point that out if it happens.

Cheers, Martin.

On the HP Prime, what do you do for alpha numeric variables for unknowns?

Thanks…tested and noted as well.

Thanks!! I was on the verge of buying a TI Nspire CX CAS, but when I saw your video the HP had a bigger screen, and I want to play games on a larger screen, but one question…. Is the HP stronger than the Nspire CX CAS in terms of processing? Oh, and is the HP touchscreen or does it have a mouse pad and removable, replaceable keyboards? And do people sell pastel-coloured cases for it?

There is a direct variable. It’s above the “apps” key.

Excellent review.

At 22:11 you said there is no X button, but there is. Its below the alpha button, use that for X for graphs.

Pinch and spread gestures were indeed added in a later firmware update. This is one great machine!

Hello. I’m an engineer student and I want to buy a graphing calculator. I really liked the hp prime as it’s very easy to navigate if compared to others. I’m waiting for your next video to see if it can calculate complex equations as easily. 🙂