At 6:26 you mention that Casio has been making graphing calculators for almost as long as TI has. In fact, Casio made the world's very first graphing calculator, the fx-7000G, 5 years before Texas Instruments released the TI-81, their first. Both HP and Sharp also released graphing calculators before TI, as TI was waiting to see if graphing calculators would be permitted in classrooms.
One correction to your video. The TI-Nspire CX CAS is permitted on the SAT and AP Calculus exams. It is not permitted on the ACT exam, but a graphing calculator test does not really give a student an advantage on the ACT beyond familiarity. Additionally, “testing mode” on the TI-Nspire CX II CAS disables the CAS functionality by default. I teach math and utilize testing mode (during assessments) for the Nspire with all my students to prevent accessing documents and sharing information outside of the testing environment.
I have 2 HP primes, an HP 50g and one HP 48GX... HP always made the best calculators and they will always have my stamp of aproval! TI84 are good for simple math at high school, but anything else it gotta be HP
I had a HP 48GX when I was at uni back in the 90s, once i got used to the way it works,I loved it, now my nephew is in the last year of high school and looks like he wants to study engineering, the HP can be a little bit of overkill for him now but he can learn how to get the most of it now, I may ask the teachers of his schol if it is allowed on exams first, of course, but after my experience, when my sister asked me what calculator to buy for him, I started googleing if HP still makes calculators
@@jaumemallach7965 and still make the best calculators BY FAR. I have an electrical engineering degree and will tell you that my 48gx + 50g were the ones that carried me over university and then masters.... now I use the hp prime as my "daily driver" will never switch!
I do A-Level mathematics in the UK, and my casio prizm cg-50 is absolutely perfect. Has all the features I'll need, and is one of the recommended calculators for A-Level maths. It isn't necessary to have a graphing calculator at A-Level, but it really does help in a few cases.
Ive had a Ti Nspire CXII CAS for quite a while and it is great at what it does, but the touchpad along with the clunky UI was really getting on my nerves. I bought an HP Prime and I am absolutely loving it. The Prime is quick to boot, and the touchscreen as well as the well thought out buttons make using it a breeze. I never was the best at math, and I suffer from being unable to understand more complex math. These calculators greatly help me to figure out my way through some of the tougher questions I come across in life, and allow me to do much of the work on my own without needing much help. The HP Prime especially is a solid, well built device that does not disappoint.
Very high-quality guide, thank you. Just one little mistake: At 7'51'' the video shows that the Casio fx cg50 is manufactured by HP which obviously is wrong.
I've own Casio's and TI for a long time and could say that for some duties Tl is the winner, but Casio makes exactly the same job at a lower cost. Creating programs for my own use, always is faster in a TI, because Casios doesn't have too many commands to create extra big programs. Anyway it's always nice to know what you need, for use this or that calculator and get them. Graphs in Casio are displayed really fast, I've tested TI-83, TI-84 Plus C Silver edition against Casio 9750 G Plus and Casio 9860 GII during last years, and probably never will have to buy 84 CE or newer models, because I hate to read hundreds of pages just to learn to make the same. I have never had in my hands HP calculators!!!
Cool that you gave the release dates for each calculator. Its kind of crazy the amount of time passes between calculator releases versus other types of computers, game systems, etc.
I installed 2 CAS apps on my Casio Prizm fx-CG50. KhiCAS and EigenMath, both works vevy well, same results (or even better) than TI-Nspire CX II CAS and HP Prime.
Correction to @6:23 Casio brought the fx-7000G to market in 1985, so they've been making graphing calculators for 5 years longer than TI who introduced the TI-81 in 1990.
The only disadvantage to using the prime especially in high school is that you will be learning how to use it. In my stats class, everyone uses a TI 84 and so when the teacher uses a command I have to sneak my computer and look it up. Never had issues though and on a test. (The commands are in a different way so you have to label them but everyone still has the label the command numbers for credit)
It might just be me, but I much prefer the UX of the Casio vs the TI calculators. Casio feels more intuitive and natural than TI in my, admittedly limited, experience. Also, from what I've seen, the Casio Prizm is much faster than the TI-84 CE, meaning graphs and complex problems will complete much much faster on the Casio.
I agree about the speed of the Prizm versus the TI-84 Plus CE: it has a processor that's running at multiples of the speed of the CE's, and for one, graphs certainly appear instantaneously. I'd assert that graphing is the only place where the CPU speed difference actually matters for the average user, who probably wouldn't even use the equation solver very often. What do you like better about the Casio UX?
@@KermMartian it just feels more natural. I can't think of many specific examples, but I'm comparing my Casio FX 991EX to the TI 30XS. For example, if I want to go from fraction to decimal, it counts as a new line, vs the Casio simply switches back and forth immediately, not requiring me to hit enter. Or if I want to type a negative value, I can simply hit the minus operator, but doing that on the TI would give a syntax error, and instead I have to use the button specifically for negative numbers. Navigating a more complex expression also seems more predictable on the Casio and the layout feels like it makes more sense to me. It feels like the Casio is a more modern calculator, whereas it feels like the TI is ancient, and thus has the odd and unpleasant quirks of an ancient user interface. With that being said, my FX 991EX doesn't keep previous expressions or operations on the screen like the TI and it clears everything if you hit AC or if the calculator powers off, that's something I prefer on the TI. But I recently got an FX 9750 GIII and I'm pretty happy with it, in no small part because it also keeps stuff on screen like the TI. It's not as familiar feeling as I was expecting, but still feels better than the TI to me.
Awesome guide as always! Quick question for you, when buying a TI-84 Plus CE, should I make sure to get the unit with Python built in or is it not really needed? Any chance you'll do a video showcasing the benefits and some tricks with using python on this model of calculator? I haven't really been able to find much use-cases for it or videos showing it at least. Thanks and appreciate the great work and your time!
I wouldn't worry about getting the Python Edition unless you intend to teach yourself Python with your calculator. It doesn't really enhance the ability of the calculator to do math: almost every math program you'd want to write yourself would be better in TI-BASIC. If you want to learn Python, the calculator is a good platform, and/or there's also an external box (the TI-Innovator) you can control with Python or with TI-BASIC. Otherwise, I wouldn't worry too much about it, especially since it's a slow Python implementation.
I tried a HP Prime but returned it and got an Casio CG 50 instead. Why? Well the Display in the HP Prime isn't that good compared to the CG-50 and barely readable when the calculator is on the desk in front of you and I do prefer using the calculator with one hand while holding my pen with the other hand. They buttons are way to stiff for my taste on the Prime. When it comes to "performance" the HP Prime might be faster in computing but I am way faster in typing on the Casio CG 50. But to be fair: I use casio calculators for 20 years now. The TI nspire cx II-t would be my second choice.
Great video as always! There's no video on Internet on full Chess game playing on Ti84CE. Please make a video! Also is there any B/W Chess game on Ti84 Silver (without MirageOS). Natively installable game (just plug & play) ?
The TI 84 Plus CE actually has it's legacy go back to the TI 82, in some parts of the world TI 82 models were comparable with the TI 83 models of the time,
Thank you a lot for this review, it's very remarkable. What's your opinion on the Casio fx-CG20 or fx-9750GIII? Both are about same preformance-wise, just no micropython and LCD differences. And slower graphing I'm getting mine for using it for my own learning's sake. I know there are many apps these days, but using a calculator without phone as a distraction feels nice. Was going for something up to $25 I think (hint hint: I'm not in a country where that's considered cheap! :P)
Both of those calculators have about equal support in the Casio hobbyist community and the larger graphing calculator enthusiast community. You're likely to find the fx-CG20 a little more powerful to work with, but there's a deeper set of pre-Python programs and tools available for the fx-9750GIII and its family.
You can generally find a TI-83 Plus or TI-84 Plus with a black-and-white screen for less than $30 on eBay, or even less at your local thrift store. They're essentially equivalent to the modern TI-84 Plus CE as far as the math tools they offer.
CASIO and HP fanboys talk all the smack you want, but I have the TI Nspire CX II CAS-equipped model, and it has been excellent both in high school (given your math teacher doesn’t ban these) and in my first college calculus course. Best ~$150 I have ever spent. The CAS in this thing can cheese through all the busy work your teacher/professor can throw at you, even crazy calculus problems that require nth derivatives and nth integrals! It can also run programs and even emulate old video games if you install Ndless ;)
Why would an engineer bother with a graphic calculator, when they have access to a computer or smart phone? What is the advantage of a graphic calculator such as the HP prime or others?
I'd say (1) physical buttons and (2) having a physical calculator as a purpose-built device tends to make it more user-friendly and more powerful than running graphing calculator software on a smartphone. For example, I haven't seen any phone apps that have as powerful graphing features as the HP Prime. And it's much more convenient than popping open a laptop or desktop for quick tasks, especially in the field.
There's lots of reasons these types of calculators are great for engineering even if we don't graph very often. The big screen allows handling/editing of large-ish equations that are jammed with very large or small numbers. Much more pleasing to use than a phone (IMO) because access is instant, they never miss a keypress, and when the boss sees me buried in a real calculator, there's no question about whether I'm actually working or not.
Hi you missed a key detail with cx II cas, as the cas mode can be disable and that is exactly what my teachers did in my IB tests. I am not sure if the American system doesn't that.
In the United States of America our equivalent to IB is called Advanced Placement (AP). The AP exams that require calculators typically allow the CX II CAS with the CAS mode enabled. There is one standardized test that does not allow CX II CAS models regardless of CAS mode being on or not called the ACT
Hi I finished IB with npire cx II cas. In the test teachers will have to put the calculator in test mode with cas mode disabled, but you can use this functionality in university later on. Cas mode is highly recommended as it can be disabled but still has all of the features you may like if you ever need them.
I wish I could recommend the TI-82, TI-85, TI-86, and TI-89, all of which remain excellent and powerful calculators! Unfortunately, for a calculator-buying guide, I steered away from models that folks will have difficulty finding (and by which most teachers today would be confused today)!
Hey kerm martain and everyone, as ur vids show load of programming wgich calculator is the best for programming and u can play games with like my opions are the first 3 Ti calcs and the hp calculator. However i want it to run program's fast and nake sure it works with loads of prgramms with a decent screen size and powerful cpu. I also want to run gossamer if that is possible but if there is a calulator which covers all these but not in vid pls alsk reply with those.
Unfortunately, it is not one of the calculators that I recommend. While a technically impressive calculator, I don't find it to be very student-friendly.
I love my TI-Nspire, but i find myself going back to my TI 84 Plus CE for no other reason than because the Nspire ist the ugliest calculator ever made by Texas Instruments. It's literally painful to look at. If I were to do it all over again I would have gotten the HP Prime instead.
no no no ti nspire cx all the versions NEED AAA BATTERIES you smart guy the Casio prizm fx-cg50 is not the only one to need batteries for your information
Thanks for the comment. The TI-Nspire CX and CX II uses a rechargeable battery that generally doesn't need to be replaced for quite a few years - the models that require AAAs are the TI-Nspire and TI-Nspire CAS (non-CX), including the touchpad and clickpad models, which are now out of production.
At 6:26 you mention that Casio has been making graphing calculators for almost as long as TI has. In fact, Casio made the world's very first graphing calculator, the fx-7000G, 5 years before Texas Instruments released the TI-81, their first. Both HP and Sharp also released graphing calculators before TI, as TI was waiting to see if graphing calculators would be permitted in classrooms.
I've corrected this in my 2024 update of this video: thanks for this!
One correction to your video. The TI-Nspire CX CAS is permitted on the SAT and AP Calculus exams. It is not permitted on the ACT exam, but a graphing calculator test does not really give a student an advantage on the ACT beyond familiarity. Additionally, “testing mode” on the TI-Nspire CX II CAS disables the CAS functionality by default. I teach math and utilize testing mode (during assessments) for the Nspire with all my students to prevent accessing documents and sharing information outside of the testing environment.
Thanks for that correction!
I have 2 HP primes, an HP 50g and one HP 48GX... HP always made the best calculators and they will always have my stamp of aproval! TI84 are good for simple math at high school, but anything else it gotta be HP
I had a HP 48GX when I was at uni back in the 90s, once i got used to the way it works,I loved it, now my nephew is in the last year of high school and looks like he wants to study engineering, the HP can be a little bit of overkill for him now but he can learn how to get the most of it now, I may ask the teachers of his schol if it is allowed on exams first, of course, but after my experience, when my sister asked me what calculator to buy for him, I started googleing if HP still makes calculators
@@jaumemallach7965 and still make the best calculators BY FAR. I have an electrical engineering degree and will tell you that my 48gx + 50g were the ones that carried me over university and then masters....
now I use the hp prime as my "daily driver" will never switch!
I did not expect this man to be so educated on calculators
I do A-Level mathematics in the UK, and my casio prizm cg-50 is absolutely perfect. Has all the features I'll need, and is one of the recommended calculators for A-Level maths. It isn't necessary to have a graphing calculator at A-Level, but it really does help in a few cases.
Can't agree more. I also recommend my students to use CG50 in the A Level maths test.
Ive had a Ti Nspire CXII CAS for quite a while and it is great at what it does, but the touchpad along with the clunky UI was really getting on my nerves. I bought an HP Prime and I am absolutely loving it. The Prime is quick to boot, and the touchscreen as well as the well thought out buttons make using it a breeze. I never was the best at math, and I suffer from being unable to understand more complex math. These calculators greatly help me to figure out my way through some of the tougher questions I come across in life, and allow me to do much of the work on my own without needing much help. The HP Prime especially is a solid, well built device that does not disappoint.
So far the Casio fx-CG50 got me through most of math class
That's great to hear! I know people who are not fond of the keypad layout, but it's otherwise a perfectly serviceable calculator.
Very high-quality guide, thank you. Just one little mistake: At 7'51'' the video shows that the Casio fx cg50 is manufactured by HP which obviously is wrong.
Ha, good catch, egg on my face. I've corrected the source slides in case I update this video next year.
I can only speak for the HP Prime but it's an excellent bit of kit.
I've own Casio's and TI for a long time and could say that for some duties Tl is the winner, but Casio makes exactly the same job at a lower cost. Creating programs for my own use, always is faster in a TI, because Casios doesn't have too many commands to create extra big programs. Anyway it's always nice to know what you need, for use this or that calculator and get them. Graphs in Casio are displayed really fast, I've tested TI-83, TI-84 Plus C Silver edition against Casio 9750 G Plus and Casio 9860 GII during last years, and probably never will have to buy 84 CE or newer models, because I hate to read hundreds of pages just to learn to make the same. I have never had in my hands HP calculators!!!
Cool that you gave the release dates for each calculator. Its kind of crazy the amount of time passes between calculator releases versus other types of computers, game systems, etc.
Thanks! It really is a different world than other technology.
The fx-CG50 can actually use rechargeable AAA batteries that can charge through the usb port.
Great guide! I might pick myself up another TI-84 Plus CE :P
Thank you! As long as you make some more C programs for it!
@@KermMartian can see what happens lol lol
I installed 2 CAS apps on my Casio Prizm fx-CG50. KhiCAS and EigenMath, both works vevy well, same results (or even better) than TI-Nspire CX II CAS and HP Prime.
Correction to @6:23 Casio brought the fx-7000G to market in 1985, so they've been making graphing calculators for 5 years longer than TI who introduced the TI-81 in 1990.
Wonderful. Love seeing this. Undecided at the moment but thank you for sending down the path
You're welcome! Let me know if you have any questions.
Nice video Kerm! Time to buy all of them!
First.
Thanks! And I haven't seen a "fr0st p0st"-style comment in a long time.
The only disadvantage to using the prime especially in high school is that you will be learning how to use it. In my stats class, everyone uses a TI 84 and so when the teacher uses a command I have to sneak my computer and look it up. Never had issues though and on a test. (The commands are in a different way so you have to label them but everyone still has the label the command numbers for credit)
It might just be me, but I much prefer the UX of the Casio vs the TI calculators. Casio feels more intuitive and natural than TI in my, admittedly limited, experience.
Also, from what I've seen, the Casio Prizm is much faster than the TI-84 CE, meaning graphs and complex problems will complete much much faster on the Casio.
I agree about the speed of the Prizm versus the TI-84 Plus CE: it has a processor that's running at multiples of the speed of the CE's, and for one, graphs certainly appear instantaneously. I'd assert that graphing is the only place where the CPU speed difference actually matters for the average user, who probably wouldn't even use the equation solver very often.
What do you like better about the Casio UX?
@@KermMartian it just feels more natural. I can't think of many specific examples, but I'm comparing my Casio FX 991EX to the TI 30XS. For example, if I want to go from fraction to decimal, it counts as a new line, vs the Casio simply switches back and forth immediately, not requiring me to hit enter. Or if I want to type a negative value, I can simply hit the minus operator, but doing that on the TI would give a syntax error, and instead I have to use the button specifically for negative numbers. Navigating a more complex expression also seems more predictable on the Casio and the layout feels like it makes more sense to me. It feels like the Casio is a more modern calculator, whereas it feels like the TI is ancient, and thus has the odd and unpleasant quirks of an ancient user interface.
With that being said, my FX 991EX doesn't keep previous expressions or operations on the screen like the TI and it clears everything if you hit AC or if the calculator powers off, that's something I prefer on the TI. But I recently got an FX 9750 GIII and I'm pretty happy with it, in no small part because it also keeps stuff on screen like the TI. It's not as familiar feeling as I was expecting, but still feels better than the TI to me.
Excellent explanation. Thank you so much.
You're welcome; hope it helped!
Awesome guide as always! Quick question for you, when buying a TI-84 Plus CE, should I make sure to get the unit with Python built in or is it not really needed? Any chance you'll do a video showcasing the benefits and some tricks with using python on this model of calculator? I haven't really been able to find much use-cases for it or videos showing it at least. Thanks and appreciate the great work and your time!
I wouldn't worry about getting the Python Edition unless you intend to teach yourself Python with your calculator. It doesn't really enhance the ability of the calculator to do math: almost every math program you'd want to write yourself would be better in TI-BASIC. If you want to learn Python, the calculator is a good platform, and/or there's also an external box (the TI-Innovator) you can control with Python or with TI-BASIC. Otherwise, I wouldn't worry too much about it, especially since it's a slow Python implementation.
I tried a HP Prime but returned it and got an Casio CG 50 instead. Why? Well the Display in the HP Prime isn't that good compared to the CG-50 and barely readable when the calculator is on the desk in front of you and I do prefer using the calculator with one hand while holding my pen with the other hand. They buttons are way to stiff for my taste on the Prime. When it comes to "performance" the HP Prime might be faster in computing but I am way faster in typing on the Casio CG 50. But to be fair: I use casio calculators for 20 years now. The TI nspire cx II-t would be my second choice.
I just want one that has a cartridge slot to play Gameboy games and a 4k ips screen. Do it Ti…
That would be extremely cool, but I don't see TI doing it any time soon. You'll have to make it yourself!
I have no words on this comment.
Amazing!
Thank you!
Great video as always! There's no video on Internet on full Chess game playing on Ti84CE. Please make a video! Also is there any B/W Chess game on Ti84 Silver (without MirageOS). Natively installable game (just plug & play) ?
The TI 84 Plus CE actually has it's legacy go back to the TI 82, in some parts of the world TI 82 models were comparable with the TI 83 models of the time,
I forget my previous boss used which model of sci-calculator to set the program.
Well every cas calculator in this video is allowed in both test sat and ACT
very good review, thanks for the video
You're welcome, happy to help!
What OS is still on your CX CAS? Looks like it hasn't been updated....
Can you do an update video on your calcnet project?!
Fx cp400 or fx cg500 review?
Thank you a lot for this review, it's very remarkable. What's your opinion on the Casio fx-CG20 or fx-9750GIII? Both are about same preformance-wise, just no micropython and LCD differences. And slower graphing
I'm getting mine for using it for my own learning's sake. I know there are many apps these days, but using a calculator without phone as a distraction feels nice. Was going for something up to $25 I think (hint hint: I'm not in a country where that's considered cheap! :P)
Both of those calculators have about equal support in the Casio hobbyist community and the larger graphing calculator enthusiast community. You're likely to find the fx-CG20 a little more powerful to work with, but there's a deeper set of pre-Python programs and tools available for the fx-9750GIII and its family.
I just started collage, what is the cheapest ti-84 plus equivalent calculator for my trigonometry class.
You can generally find a TI-83 Plus or TI-84 Plus with a black-and-white screen for less than $30 on eBay, or even less at your local thrift store. They're essentially equivalent to the modern TI-84 Plus CE as far as the math tools they offer.
Can hp prime be used in AP exams?
One question-- did you bring all these calculators with you to the UK?
Only three of them! I recorded the rest (and the narration) beforehand.
@@KermMartian Awesome, really liked the graphics in this video!
@@alexdog04 thanks!
The hp prime is the better option for high school, you get so much more for like 10 dollars more.
CASIO and HP fanboys talk all the smack you want, but I have the TI Nspire CX II CAS-equipped model, and it has been excellent both in high school (given your math teacher doesn’t ban these) and in my first college calculus course. Best ~$150 I have ever spent. The CAS in this thing can cheese through all the busy work your teacher/professor can throw at you, even crazy calculus problems that require nth derivatives and nth integrals! It can also run programs and even emulate old video games if you install Ndless ;)
It's certainly a very powerful calculator!
No love for the TI-89. Sadness, pure sadness.
Man, I do love the TI-89; it's unfortunately hard to recommend it these days due to its increasing scarcity. As a CAS calculator it's top-notch.
Why would an engineer bother with a graphic calculator, when they have access to a computer or smart phone? What is the advantage of a graphic calculator such as the HP prime or others?
I'd say (1) physical buttons and (2) having a physical calculator as a purpose-built device tends to make it more user-friendly and more powerful than running graphing calculator software on a smartphone. For example, I haven't seen any phone apps that have as powerful graphing features as the HP Prime. And it's much more convenient than popping open a laptop or desktop for quick tasks, especially in the field.
There's lots of reasons these types of calculators are great for engineering even if we don't graph very often. The big screen allows handling/editing of large-ish equations that are jammed with very large or small numbers. Much more pleasing to use than a phone (IMO) because access is instant, they never miss a keypress, and when the boss sees me buried in a real calculator, there's no question about whether I'm actually working or not.
Hi you missed a key detail with cx II cas, as the cas mode can be disable and that is exactly what my teachers did in my IB tests. I am not sure if the American system doesn't that.
In the United States of America our equivalent to IB is called Advanced Placement (AP). The AP exams that require calculators typically allow the CX II CAS with the CAS mode enabled. There is one standardized test that does not allow CX II CAS models regardless of CAS mode being on or not called the ACT
which one should i get for IB? ti nspire cx II or ti 84 plus ce?
Hi I finished IB with npire cx II cas. In the test teachers will have to put the calculator in test mode with cas mode disabled, but you can use this functionality in university later on. Cas mode is highly recommended as it can be disabled but still has all of the features you may like if you ever need them.
@@jovaraszigmantas I agree, the Nspire’s CAS system is fantastic! It helps significantly lower the amount of extra work on problems to deal with.
Great video!
Just wanted to know when would Casio fx-GC50 be on sale.
They should be on sale now!
Thanks😁
The TI-85 is forgotten? Very powerful and useful. At least I can change the batteries on my slide rule. You'll laugh at that someday.
I wish I could recommend the TI-82, TI-85, TI-86, and TI-89, all of which remain excellent and powerful calculators! Unfortunately, for a calculator-buying guide, I steered away from models that folks will have difficulty finding (and by which most teachers today would be confused today)!
@KermMartian I know. Hence the slide rule reference. Thank you.
Please share new calculator hacks. Thanks
Good request! Anything in particular? I need an idea for a 4K Subscriber Special.
Hey kerm martain and everyone, as ur vids show load of programming wgich calculator is the best for programming and u can play games with like my opions are the first 3 Ti calcs and the hp calculator. However i want it to run program's fast and nake sure it works with loads of prgramms with a decent screen size and powerful cpu. I also want to run gossamer if that is possible but if there is a calulator which covers all these but not in vid pls alsk reply with those.
Casio FX-CG50 is easily 10 times faster than TI-84 Plus CE. 😀
Clearly the best designed also
But where is Casio classpad (cp 400) ?
Unfortunately, it is not one of the calculators that I recommend. While a technically impressive calculator, I don't find it to be very student-friendly.
I love my TI-Nspire, but i find myself going back to my TI 84 Plus CE for no other reason than because the Nspire ist the ugliest calculator ever made by Texas Instruments. It's literally painful to look at. If I were to do it all over again I would have gotten the HP Prime instead.
i had the exact opposite idea, heck the keyboard at the bottom adds to its beauty
@@Yilmaz4 You might give the TI Voyage 200 a try if you haven't already. It has a very nice keyboard.
nice
Thank you!
Are you Ken Rockwell?
I am not! :)
Wrong
Casio is more powerful than any Texas lol
Sounds like teachers are kind of important ...
cell phone seems better to me lol
no no no ti nspire cx all the versions NEED AAA BATTERIES you smart guy the Casio prizm fx-cg50 is not the only one to need batteries for your information
Thanks for the comment. The TI-Nspire CX and CX II uses a rechargeable battery that generally doesn't need to be replaced for quite a few years - the models that require AAAs are the TI-Nspire and TI-Nspire CAS (non-CX), including the touchpad and clickpad models, which are now out of production.
@@KermMartian ohhh thanks for telling me
HP sucks
Hp prime don't work
What are you talking about