First Look : Casio Classwiz fx-991CW | New Classwiz Review

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⨸ Aʙᴏᴜᴛ Tʜɪs Vɪᴅᴇᴏ ⨸ - This is the first look at the latest version of the Casio Classwiz, the fx-991CW . There are a range of different new Classwiz models being released and this seems to be the flagship model. In the video, we look at some of the key features, what's good and one or two negative features about this new model.
⨸ Sᴜᴘᴘᴏʀᴛ Tʜᴇ Cᴀʟᴄᴜʟᴀᴛᴏʀ Gᴜɪᴅᴇ Bᴇʟᴏᴡ ⨸
Bᴜʏ Mᴇ A Cᴏꜰꜰᴇᴇ - www.buymeacoffee.com/calculat...
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Oᴅʏsᴇᴇ Cʜᴀɴɴᴇʟ - odysee.com/@thecalculatorguide:4
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Tᴜʙᴇ Bᴜᴅᴅʏ | Aʟʟ Iɴ Oɴᴇ YᴏᴜTᴜʙᴇ Mᴀɴᴀɢᴇʀ - www.tubebuddy.com/thecalcguide
Sᴇᴛᴀᴘᴘ | Cᴜʀᴀᴛᴇᴅ Mᴀᴄ ᴀɴᴅ ɪOS ᴀᴘᴘꜱ (1 Mᴏɴᴛʜ Fʀᴇᴇ) - go.setapp.com/invite/ogrspz9y
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𝘍𝘰𝘳 𝘷𝘪𝘥𝘦𝘰𝘴 𝘤𝘰𝘯𝘤𝘦𝘳𝘯𝘪𝘯𝘨 𝘢 𝘊𝘢𝘴𝘪𝘰 𝘊𝘢𝘭𝘤𝘶𝘭𝘢𝘵𝘰𝘳, 𝘊𝘢𝘭𝘤𝘶𝘭𝘢𝘵𝘰𝘳 𝘚𝘺𝘮𝘣𝘰𝘭𝘴, 𝘔𝘰𝘥𝘦𝘴, 𝘐𝘮𝘢𝘨𝘦𝘴 & 𝘗𝘳𝘰𝘥𝘶𝘤𝘵 𝘕𝘢𝘮𝘦𝘴. 𝘢𝘳𝘦 𝘊𝘰𝘱𝘺𝘳𝘪𝘨𝘩𝘵© 𝘊𝘢𝘴𝘪𝘰 𝘊𝘰𝘮𝘱𝘶𝘵𝘦𝘳 𝘊𝘰. 𝘓𝘵𝘥 . 𝘊𝘢𝘭𝘤𝘶𝘭𝘢𝘵𝘰𝘳𝘴 𝘧𝘳𝘰𝘮 𝘰𝘵𝘩𝘦𝘳 𝘤𝘰𝘮𝘱𝘢𝘯𝘪𝘦𝘴 𝘮𝘢𝘺 𝘴𝘰𝘮𝘦𝘵𝘪𝘮𝘦𝘴 𝘧𝘦𝘢𝘵𝘶𝘳𝘦, 𝘪𝘯𝘤𝘭𝘶𝘥𝘪𝘯𝘨 𝘛𝘦𝘹𝘢𝘴 𝘐𝘯𝘴𝘵𝘳𝘶𝘮𝘦𝘯𝘵𝘴, 𝘕𝘶𝘮𝘸𝘰𝘳𝘬𝘴 & 𝘚𝘩𝘢𝘳𝘱. 𝘛𝘩𝘦𝘊𝘢𝘭𝘤𝘶𝘭𝘢𝘵𝘰𝘳𝘎𝘶𝘪𝘥𝘦.𝘊𝘰𝘮 𝘦𝘢𝘳𝘯𝘴 𝘮𝘰𝘯𝘦𝘺 𝘧𝘳𝘰𝘮 𝘥𝘪𝘴𝘱𝘭𝘢𝘺 𝘢𝘥𝘴 & 𝘢𝘧𝘧𝘪𝘭𝘪𝘢𝘵𝘦 𝘭𝘪𝘯𝘬𝘴. 𝘓𝘪𝘯𝘬𝘴 𝘛𝘰 𝘗𝘳𝘰𝘥𝘶𝘤𝘵𝘴 & 𝘛𝘩𝘪𝘳𝘥 𝘗𝘢𝘳𝘵𝘺 𝘞𝘦𝘣𝘴𝘪𝘵𝘦𝘴 𝘴𝘶𝘤𝘩 𝘢𝘴 𝘈𝘮𝘢𝘻𝘰𝘯 𝘢𝘯𝘥 𝘰𝘵𝘩𝘦𝘳 𝘳𝘦𝘵𝘢𝘪𝘭𝘦𝘳𝘴 𝘢𝘳𝘦 𝘢𝘧𝘧𝘪𝘭𝘪𝘢𝘵𝘦 𝘭𝘪𝘯𝘬𝘴. 𝘐𝘧 𝘺𝘰𝘶 𝘤𝘭𝘪𝘤𝘬 𝘰𝘯 𝘵𝘩𝘦𝘴𝘦 & 𝘣𝘶𝘺 𝘢 𝘱𝘳𝘰𝘥𝘶𝘤𝘵 𝘵𝘩𝘦𝘯 𝘛𝘩𝘦𝘊𝘢𝘭𝘤𝘶𝘭𝘢𝘵𝘰𝘳𝘎𝘶𝘪𝘥𝘦.𝘊𝘰𝘮 𝘳𝘦𝘤𝘦𝘪𝘷𝘦𝘴 𝘢 𝘴𝘮𝘢𝘭𝘭 𝘤𝘰𝘮𝘮𝘪𝘴𝘴𝘪𝘰𝘯 𝘢𝘵 𝘯𝘰 𝘦𝘹𝘵𝘳𝘢 𝘤𝘰𝘴𝘵 𝘵𝘰 𝘺𝘰𝘶. 𝘛𝘩𝘪𝘴 𝘩𝘦𝘭𝘱𝘴 𝘴𝘶𝘱𝘱𝘰𝘳𝘵 𝘵𝘩𝘦 𝘤𝘩𝘢𝘯𝘯𝘦𝘭 & 𝘢𝘭𝘭𝘰𝘸𝘴 𝘮𝘦 𝘵𝘰 𝘤𝘰𝘯𝘵𝘪𝘯𝘶𝘦 𝘵𝘰 𝘮𝘢𝘬𝘦 𝘷𝘪𝘥𝘦𝘰𝘴.

[@SanghPath]

What we want in a calculator is fast input and fast calculation power. It takes several extra steps to solve an equation than the previous models. Ultimately it affected the user experience. We don't mind to adopt a new layout but it should be more efficient, less time consuming and logical

[@scramjet4610]

Than you need RPN.

[@HamzaAleem_Math]

​@@scramjet4610 what is rpn

[@CCXRacer.]

@@scramjet4610 RPN has a very hard learning curve and in many cases you need to think about how to enter in complicated expressions. Ultimately, its less efficient and much less user friendly.

[@scramjet4610]

@@CCXRacer. Not true at all. I can tell that you have not worked with it. You can enter complex, nested expressions without hardly thinking at all, versus algebraic entry, which would require a hierarchical mess of parentheses. As an EE., I've used it for a long time. The reason not to use RPN is that very few calculators use it because of this mistaken idea. Commit to using RPN for 3 weeks of heavy use, and you will see what I mean. It becomes second nature.

[@CCXRacer.]

@@scramjet4610You're right, algebraic entry is garbage because of all the parentheses that you need. However on the 991cw you can just use textbook entry. It's much more comfortable and easier to use.

[@roktimistiaq4896]

CW is not user-friendly interface as like EX series. EX series gives more flexibility and more time consume UI design.

[@irishchocolate3872]

Here in the U.S. we get shafted so many times because both Casio and TI sell their best machines in Europe and Australia.

[@GalaxyFur]

This calculator is available in the U.S. and you can literally buy any of the Casio and Texas Intruments graphing calculators in the U.S. there all avaliable here. Personally I've never had an issue buying any specific model from either company in the U.S.

[@josephdaniels3969]

​@@GalaxyFur what about Ti 30x Pro

[@anshumanmishraw]

This is the calculator needed for our MBA studies, which involved more statistical calculation and distribution.

[@HamzaAleem.]

Same

[@ricardomateoperez2635]

Best way to approach the "format" issue is changing the input/output display to MathI/DecimalO in the calculator settings menu (Config -> Calc. config -> input/output -> MathI/DecimalO). That way you don't have to change the output format every time you get a fraction as the result is always shown in decimal format. The other way is clicking shift-EXE (≈) every time you perform a calculation, which can be a bit annoying being those keys so far apart from each other. My biggest dissapointment with the new CW, besides having so many functions hidden, is the colour palette they chose for the iberian market (fx-991SP CW - white and gold). The contrast between these two colors makes it a bit hard to see the alternative functions...

[@TheCalculatorGuide]

Yes this is addressed in another video. However it is worth noting that for some exams/course the initial exact answer may be preferred in a higher number of questions, so I guess it is user preference.

[@clarepeacock6460]

Excellent video. I purchased the calculator today and as it didn’t come with a manual your video was so helpful. Thank you very much.

[@HamzaAleem.]

Same bro

[@joseph_donovan]

Memo to Casio Calculator Engineers and Designers: Talk and listen to users in the field, like, for example, The Calculator Guide maths practitioner and teacher, before you light your josh sticks and release bosh like this! Why oh why move and hide the Ans(wer) key up to that lonely left corner and orphan it from the Exe key and kill the SD key which the whole world and beyond press during every calculator session? It looks to my untutored eye like the Casio calculator design bods spent too much time trying to copy features of the TI (Texas Instruments) calculators. Note the Catalog key! The FORMAT button is a pile of time-consuming tosh! They could have retained the SD function with a shifted FORMAT key! And what in tarnation is that shifted equals = key doing above the open left parenthesis key? Or is it an equals key? My dog Boo thinks it is! Oh, and when did three tiny circles indicate a universal symbol for TOOLS? Dear oh dear. If I was gifted a copy of the Casio CW calculator, I would give it to Boo to chuck in the air for catching practice! I love that dog, but, alas, I will never be flashing this calculator at cocktail parties or weddings! Garsoon! Fetch me my Classwiz fx-991EX. Mush!

[@MrMarcec85]

Yes. Bit the difference is that TI is implemented in a way that is LOGICAL and FAST, for example, with the multi- keys functions. It is different, but fast. Here it seems they kept the "Casio mind-set", but changed to a "TI design" and in my opinion it doesn't work. More: the nice thing was having and wotking with both TI AND CASIO, because each one was the best at a particular thing...

[@zwatotem]

Would be fine, if they allowed for some more undisplayed shortcuts, like pressing a trig while being in catalog automatically inserts its hyperbolic equivalent etc. You could still get to things the long way, but having essentially that third missing layer under CATALOG button just for "power users" who take time to learn it in the instruction would be cool.

[@tong.clement]

I hope they keep producing the 991EX (The white class wiz). Love it as an A-Level FM student (won't be upgrading to this one now as the changes to the layout is too drastic) 2:53 - no shortcut is a problem (the most used is Menu -> A -> 2 -> 2 in GCSE lol) No way pi is not a button lol Functions is great but I can just use 'ans' 20:00 - seems like the EX doesn't have inverse binomial as well but it has inverse normal - might need to use a graphing for that

[@TheCalculatorGuide]

My guess is they probably won't as usually a new line means the discontinuation of the old one.

[@MrMarcec85]

Or use TI 🙃

[@BullsEye2.0]

They have already stopped that in India, and completely shifted to 991cw. I think they'll soon finish doing the same everywhere else.

[@TheCalculatorGuide]

Worth knowing, thank you.

[@tong.clement]

@@TheCalculatorGuide thanks for the info - time to hoard the old one - lmao goodbye Casio

[@filomenaferrantino6744]

A parte la velocità, le funzioni son le stesse del 991 Es plus oppure questo nuovo modello ha piu' funzioni?

[@MrMarcec85]

Caveat: i find more user friendly and intuitive TI Scient. calc. That said. I appreciate the cleaner lay out, I think they copied a bit TI, with one only 2nd fucntion key etc... but In my opinion the ease of use has dropped.. to many functions have been hidden. And the menu, even if is more fancy than TI one, is not suited to be managed by this layout. Except for tiny improvements (math box: not necessary at all, with apps and other graphic calc...) i think the 991 EX is better, even if with a more messy layout and all those keys and left/ right upper keys. When you get used is fast.

[@prakashhirawat5825]

can you find semi colon button in this calculator

[@RichardBerler]

It appears as if this calculator allows one to define a function, and use it in calculations and solve as f(x), instead of having to rewrite the equation every time one wished to use the function that one has defined. It appears that one could choose the integration template and insert f(x) instead of rewriting the equation that was saved into f(x) for example…this is a notable improvement. I wonder if all but saved variables are lost when switching modes or turning the power off as is the case with the fx-991EX.

[@TheCalculatorGuide]

That is a great feature of this calculator

[@danielchan1668]

Yes, they are lost. Otherwise this model becomes programmable and examiners frown upon that!

[@MartinBeerbom]

I have the German version (fx-991DE CW), and here the functions are NOT lost when turned off. They can also be used in a lot more places throughout, like the spreadsheet, which is a major improvement over the predecessor DE X. Pity that the user interface changed so much into menus in order to declutter the keyboard (and then cluttered the menus by having every single function you can reach via keys are also somewhere in the menus). They also did not change the two different input modes for two variable functions (like permutation or polar coordinates transformation) (which you have to know beforehand, the calc doesn't remind you), and introduced some more ambiguity (it doesn't have a solve function in the normal calc mode, as the video explains it is moved to an app, but you can still enter equation and terms for the verify function, if you select verify via the tools button. The manual you can get online doesn't explain this. There are quite a few procedures it does not explain. Yet, I guess. The thing feels like a beta release. So a newer model may be better, but you have to buy a new one, as this thing does not seem to offer any way to update the firmware.)

[@alexgrodecki2086]

Really annoyed by the lack of periodic table, I do A-Level chemistry and maths so it would have been nice especially considering the Japanese version of the fx-991ex has a periodic table.

[@TheCalculatorGuide]

Yes you have to have the CG50 in the UK to get a periodic table.

[@user-di9uw3tf2z]

can you make a separate video on how to use this calculator to find the unknown in the given equation. like 9x+345=4 directly.

[@TheCalculatorGuide]

Give this one a go kzbin.info/www/bejne/nHfGZatupM1kfqM

[@Gekko858]

With the 991EX unavailable to purchase new. Is the 991-CW or CG-50 easier to use?

[@Fk_prime]

They stopped the supply of 991EX in Bangladesh and replaced it with crap :") This one is very detrimental for competitive exams with narrow time limits.

[@HamzaAleem.]

Same brother with me in Pakistan I buy it today but my exam have 11 days

[@amit_suryavanshi]

can anyone say where can I find : in 991cw calculator

[@ChristinaGuiyab]

where to download the casion fx 991 cw emulator for windows? Thank you.

[@NaeMuckle]

Looks like it does the same but with more steps.

[@engineeringstuffs]

It now consistently returns the answer in decimal format rather than the standard mathematical notation, which was the practice in previous models. For example, when integrating cos(x)^2 from pi to 5pi, it provides the result as 6.28318530718 instead of the simpler and more understandable 2π. Converting 6.28318530718 to 2π isn't straightforward unless you assume it's a multiple of π Please correct me if i am wrong.

[@adilatif8345]

I think you can press format button as you used s into d button on old

[@TunTunWin-hm2wm]

How to using show

[@frankivinstutoring3775]

Just got mine. I'll be sending it straight back. The layout and usability are just awful compared to the EX. Only the contrast is an improvement.

[@HamzaAleem.]

Yes this calculator screen is awesome

[@rudronile51]

Please this me how to get casio cw emulator....please make a video

[@TubeOfTalha]

hi. can anyone help me with an alternative to ":" multi statement in 991CW which was presented in 991EX in Alpha ∫dx button

[@mattagajanian2052]

As far as I see it, you’ll need to enter each step separately. Once you have all the steps loaded, you’ll need to go up the list of computations, select the one you want and then do the same with the next step you want. Once you have each step in the History stack, you’ll need to use the arrow keys to move up there History, select the step you want, and press EXE Tgen, it’s just moving through the history, selecting the steps and pressing EXE. Cumbersome, I agree. Casio definitely dropped the ball on this model. For the CW: Store 1 in both A & B Calculate A

[@qwerties999]

Is there an upgraded model of FX-JP900-N (similar to 991 EX, but with periodic table)?

[@TheCalculatorGuide]

I can only imagine it's coming soon..maybe?

[@user-ct1dp5ll7l]

How i get cw emulator?

[@Falnekrigere]

Is there a way of enter periodic decimal?

[@TheCalculatorGuide]

The only way I've found so far is to just repeat the period/recurrence. For example input 0.166666666666666666666666 . If you put enough 6's in, the calculator will eventually recognise this as 1/6

[@ricklynch]

I'm not so sure about this "move". Casio has had for years now, across many models/generations, a familiar feel/layout to them. This is quite the bold move.

[@pepsiman4418]

Dude it’s terrible where’s the integrate button?? Where is t

[@TheCalculatorGuide]

Pepsi Man It’s in a menu now.

[@thomaspaine5601]

The old fx-83GT plus calculator is a fabulous calculator. The latest cw version looks and feels cheaply built. The display characters are smaller and harder to read. Many operations need more button presses to achieve the same thing. I do not like it. It has caused the price of the old fx83 GT plus calculators to soar on eBay! Can't believe Casio has discontinued the old calculator. Casio made such good calculators, they had completely cornered the market wiping out other companies like Sharp et cetera but they really have lost the plot with the last two iterations of this market-leading calculator.

[@nazrulgalib90]

how can i download casio 991cw emulator?

[@lighteningwawa]

Obviously this new model is designed for people who does not prioritize input efficiency, but ease of use without the need to read the manual. I am personally the former, but I know many people who never read the manual and weren't aware of the features other than simple calculations. I personally don't care for this model, but understand why some people will find it much easier to use than the EX.

[@suhas-japan-vbook1255]

How many functions are there in casio classwiz fx 991cw ??

[@TheCalculatorGuide]

540+ so they say

[@mancubsofficial]

Do you know how to access the diagnostics menu on the 991cw? I know how to do it on the 991ex (shift, 7, on) but I've tried it here but nothing.

[@TheCalculatorGuide]

Not yet, no. Can anyone else help?

[@mancubsofficial]

@@TheCalculatorGuide Just found it out from someone else! It is shift, 7, catalog and on! It does look a bit different and I'm not sure how to do things like a key test, pixels, etc

[@TheCalculatorGuide]

@@mancubsofficial Fantastic, great find!

[@estherishola7549]

@The Calculator Guide can I use it for physics?

[@TheCalculatorGuide]

Gcse and A level, yes

[@ManushiRathnayake]

Hello can i know whre is the calc feature

[@TheCalculatorGuide]

I think they removed it in favour of just editing your variables separately.

[@CalculatorCulture]

Having a large collection of modern and vintage Casio calculators I was surprised at how bold Casio was with the design changes on this one. For better or worse they have actually broken some design patterns that have been in Casio calculators for decades. I posted my own review where I was a bit more optimistic about the changes. I think for the average student the CW will be a lot easier to use than the EX, but it does come at the expense of speed of use. I appreciate you sitting on the fence about which calculator is "best" - it really depends on the user I think.

[@SanghPath]

What we want in a calculator is fast input and fast calculation power. It takes several extra steps to solve an equation than the previous models. Ultimately it affected the user experience. We don't mind to adopt a new layout but it should be more efficient, less time consuming and logical. And discontinuing the 991-ex is not a good decision by Casio

[@CalculatorCulture]

@@SanghPath What students want is to get good grades. That means being be able to understand and effectively use the features of their calculator to get accurate results and not make mistakes. Speed of input and processing is definitely a secondary thing. For most students, including the top 1%, speed is not particularly important - no one is measuring speed of answers.

[@SanghPath]

@@CalculatorCulture You are probably not from india! That's why you missed the nuances. By the way no one of my classmates considering new casio cw because of the lengthy process.

[@Crazytesseract]

Oh you are here? Btw I am your subscriber!

[@Crazytesseract]

​@@SanghPathI agree with you and I am from India. Fortunately I have the 991EX.

[@senku_z1]

Bruh You have this calsi if you have can you remove it's cover i can't even remove his back

[@raihanahmed3686]

How to download or use the emulator version of 991CW calculator?

[@TheCalculatorGuide]

You have to buy one first. You then get a code to access it via Casio Classpad.

[@user-pu9jw6cq4i]

How can we write A:B:C:D= 5x+3 in 991 Cw calculator??

[@TheCalculatorGuide]

There is no multi function feature on the fx-991CW

[@henrykwok4760]

Where can we get the emulator for this calculator?

[@TheCalculatorGuide]

You have to buy a model of the calculator and then you can get it via classpad.

[@joshbasnet3014]

How to type : in this calculator. 991es can do a:b+1:c=x62+1 but this cant?

[@TheCalculatorGuide]

No they seem to have discontinued the multi calculation feature.

[@AceOfHearts001]

Thsnk you... what struck me is the Format button... it wont be easy convincing me the ANS key was worth replacing/not having! Cant wait to see the new CG50 replacement...

[@TheCalculatorGuide]

The ANS key is still there, it has just moved. It is the SD key that has been replaced.

[@AceOfHearts001]

@@TheCalculatorGuide Oh I see thanks for pointing that out. I have a big issue against casio for not giving this button enough significance, and I will pay a lot of money for someone to install it on my CG50....!

[@nirothbihare2974]

Where is the eng button. How to use it

[@TheCalculatorGuide]

Hidden in a menu!

[@sanjaymarcus2188]

is this calculator allowed for As and A levels board exam?

[@TheCalculatorGuide]

I assume it will be based on what’s available.

[@asif.a15]

Hi, I've been using 991EX for 6years+ now.I have to do a lot numerical Analysis calculation which requires multi statement fuction (:).Recently I bought CW as upgrade, replacing my existing EX one. I can't find the multistatement system in it? Did you?

[@TheCalculatorGuide]

What name is this given in the 991EX? What buttons do you normally press?

[@asif.a15]

Alpha+ integral (just beside x button)

[@TheCalculatorGuide]

I haven’t seen it so far no

[@TubeOfTalha]

the absence of : is causing pain. dont know why didn't they put it although there is a lot of "space" over bunch of buttons. anyway. you can use table mood for that. two multi statement for f(x) ＆g(x) if you need answers if proper fraction, that might not help for lesser than .001

[@hariprasath4663]

I wanna try using this calculator before buying, but i cant seem to find this model in casio's emulator website. Can you please send the link for this emulator.

[@TheCalculatorGuide]

It is on Classpad. classpad.net/classpad/use-as-guest?login=true&_gl=1*d01lnz*_ga*NzU3NzM2NDk2LjE2OTM3NzkzODI.*_ga_NJD14XKKTV*MTY5Mzc3OTM4Mi4xLjAuMTY5Mzc3OTM4Mi42MC4wLjA. You have to sign in with an account before you can use it. I am not sure if at this point you need the code to access the calculator tool. The code comes when you buy a calculator.

[@MrDands]

Getting rid of the engineering and SD keys was criminal. Plus no angle key for complex math. This is not a calculator for engineers anymore. Casio messed up bad on this one. Returned mine, buying an extra 991ex to be safe.

[@hasiburrahman4001]

Where is the percentage button and nCr button?

[@TheCalculatorGuide]

They are now available in the Catalog.

[@jamesheseltine8283]

The fx-991EX is sold out everywhere in the UK: Argos, tesco, Whsmiths etc etc. Is this because it's exam time do you think?

[@TheCalculatorGuide]

The fx-991EX has been discontinued so there is no replenishment of stocks

[@jamesheseltine8283]

@@TheCalculatorGuide How annoying!

[@jamesheseltine8283]

@@TheCalculatorGuide I’ve just purchased an EX from Curry’s wohooooo! 🎉☺️

[@TheCalculatorGuide]

@@jamesheseltine8283 Fantastic. Nice find

[@shisir1791]

How to do multistatements? ":" ?

[@TheCalculatorGuide]

They seem to have removed the multi statement feature as far as we can tell.

[@kadumpabin6188]

Should I return my Casio 991 cw.....just bought an hours ago ?..I am not familiar with this new layout

[@TheCalculatorGuide]

No I wouldn’t. This will become the standard model going forward and you will just get familiar

[@aironjeneilvalenzuela2491]

is it programmable?

[@TheCalculatorGuide]

No

[@darkopsgamingofficial3974]

emulator link?

[@Zeus96961]

Can we use it as a replacement for 991 ex?

[@TheCalculatorGuide]

I think that is the intention

[@SanghPath]

Don't

[@mattagajanian2052]

Having an EX myself. it’s a little more cash, but find an EX instead. The CW leaves a few essential EX features out.

[@alexazita6328]

Is That Upgrade Version of 991EX??? Or Equal

[@TheCalculatorGuide]

Casio says it is an upgrade. We will wait and see.

[@Crazytesseract]

​@@TheCalculatorGuide I think it is an experiment by Casio. They will see if users like it. If not they will get the previous model back and improve upon it.

[@TheCalculatorGuide]

@@Crazytesseract Let's hope so!

[@MustangKepler]

What's is best Casio 991ex or Casio 991cw?

[@TheCalculatorGuide]

That’s a question only you can answer. They are different enough. Casio says an step forward. I would say more of a side step.

[@Kel-Sang]

@@TheCalculatorGuide after using it for a week as an Engineer graduate I'd chose the first edition. In older version as u said in the the (ENG, SHIFT+ENG, SD, No Comp mode) are the biggest disappointment. I used these functions all the time and to use these functions i have to press few more button pains me😵😵 As for the Comp mode in order version. Comp mode let us do regular additions and subtractiona and..... others calculations easily and we didn't had to switch to equation mode manually. In the new model we cant shift+= anymore. We have to go to equation and solver manually. Only then i could shift + =. Such a pain in a ass. If u have found a way to use the Comp mode pls do tell me how. Thanks mate.

[@SanghPath]

Ex but discontinued

[@thomaspaine5601]

EX by far

[@ianmaw66]

I live in the UK. Where could I buy one of these please ?

[@TheCalculatorGuide]

Available from 1st March 2023 according to Casio so I imagine it will be available from many retailers.

[@TizedesCsaba]

@@TheCalculatorGuide Could you share a link? On UK site I can't find this info. Maybe the pricing is available? And what about the Vietnamese version (same like this, but Periodic table and few improvements included and you can buy since last year from Indonesian-Eastern market)?

[@TheCalculatorGuide]

@@TizedesCsaba It is just not out yet. I imagine links will be available when it comes to market. I don't know much about the international models, other than I know some of theme are out already.

[@ianmaw66]

@@TheCalculatorGuide I emailed Casio and they denied all knowledge of any UK release info. I will keep an eye out around the 1st of March. Thanks.

[@TheCalculatorGuide]

@@ianmaw66 Check the Casio Maths UK Twitter Account

[@gin496]

how do i get the emulator ?

[@TheCalculatorGuide]

It is currently available via ClassPad. It may be released independently after.

[@richardlau395]

Mr Calculator Guide, Can you tell me why I keep getting a wrong answer on the Casio fx-991CW? Please see OCR Paper 6 Nov 2017 (Higher, Calc) Question 5. Company produces 1.47 x 10^7 sweets/day and 3.5 x 10^5 packets/day. Calculate mean no. of sweets in each packet. I input 3.5...and I get 4.2x10^11. Crazy. But when I perform the exact same calculation (same key strokes) on the fx-85GT PLUS, I get the correct answer (42 sweets/bag). The only way I have managed to get the correct answer is to enter the values in normal notation (i.e. with lots of zeros), not standard form. Is this a bug??

[@AndrewHollom]

Casio seems to have made a mistake in their implementation of (what used to be called) the EXP button, as it applies normal algebraic rules to x10^n, so 1/3.5x10^5 is worked out as if you'd typed "1", "/", "3", ".", "5", "x", "1", "0" "x^n", "5", which does the division (1/3.5) first and then the multiplication (Ans x 10^5). This is very misleading as it changes a fundamental aspect of how a calculation is performed and differs from previous models and other brands. What should happen is that a number in scientific notation should be treated as a single number, not a multiplication of two terms. A lot of people are going to get the wrong answer in this situation unless they apply the mantra my teacher advised many years ago "does it look reasonable?". I'm surprised at Casio for this blunder, which shows either a lack of testing or specification to test against, or a fundamental change in specification we only find out about by noticing its now odd behaviour, and they need to fix it.

[@richardlau395]

@@AndrewHollom Andrew, I contacted Casio Customer Support and 'Mehak' says I should have used the button to input the numerator as 1.47x10^7, followed by inputting 3.5x10^5 in the denominator to get the correct answer. Or else bracket the two values SEPARATELY: i.e. (1.47 x 10^7) div (3.5 x 10^5). "The Casio FX-991CW, the gift that keeps on giving."

[@AndrewHollom]

@@richardlau395 Either of those approaches would fix the problem, but it's a problem that shouldn't exist. Casio really are stupid.

[@TheCalculatorGuide]

The way you are typing it in the calculator is reading this as 1.47x10^7/3.5 THEN x 10^5 which gives you 4.2x10^11 Try using the fraction button □/■ and typing your first number on the top and your second on the bottom

[@TheCalculatorGuide]

Sorry just realised this is what Casio have told you… should have looked at replies first. 😂 It does seem a bit of an over sight not to connect the x10^x button with the number immediately in front of it to form a standard form number.

[@phantomabid]

What is this calculator software?

[@TheCalculatorGuide]

It is the emulator available when you purchase a calculator. Online version soon apparently.

[@phantomabid]

@@TheCalculatorGuide Well, I have bought a CASIO fx-991CW. How can I get the software?

[@TheCalculatorGuide]

@@phantomabid You need to go to a Casio classpad.

[@casperyc]

I thought the 991CW emulator has not yet been released............where can we have a trial ??

[@TheCalculatorGuide]

It is available after you have purchased a calculator. It is available via Casio classpad

[@casperyc]

@@TheCalculatorGuide Are you saying it's now an online version instead of the normal PC version now? Thanks!

[@TheCalculatorGuide]

Yes that’s correct. It is a subscription model but you get access if you buy and actual calculator.

[@mahmoodsalam3703]

Dice Roll serve gampling 🤣😂

[@dimaminiailo3723]

where can I find that emulator? I don't see it on casio website...

[@TheCalculatorGuide]

It is available on Casio Classpad currently. Will hopefully be a downloadable emulator soon.

[@dimaminiailo3723]

@@TheCalculatorGuide I've visited classpad net and ain't able to find anything about online version maybe I'm too stupid idk...

[@suhas-japan-vbook1255]

Which is better? Casio classwiz fx 991ex or 991cw ?

[@TheCalculatorGuide]

This is a question I am going to refuse to answer.

[@edcillchristiandikit5515]

@@TheCalculatorGuide did you figured out how to input colon in CW calculator? 991-EX has colon then i'm shocked that they removed it in CW

[@TheCalculatorGuide]

I haven’t found it yet!

[@SanghPath]

Ex is best but discontinued

[@davethomson5921]

5/2 to decimal : Shift>EXE

[@alio2269]

looks to have overcomplicated a lot fo the features

[@tm_maths]

Is the emulator out now?

[@TheCalculatorGuide]

It is available through classpad.net online.

[@zwatotem]

Funny, that you have "OK" at the center of the D-Pad, yet you still select menus with "EXE".

[@TheCalculatorGuide]

Yeah, both work.

[@wb.c]

Just save yourself a huge headache and go with a TI-30X Pro MathPrint, lol

[@evolutiondl1492]

I would avoid any CW calculator model.

[@user-pu9jw6cq4i]

Please tell me as soon as possible

[@kabulhaihai3678]

Sir should i buy fx 991ex or 991 cw ?

[@TheCalculatorGuide]

That’s up to you really. The fx-991ex will probably be discontinued soon I imagine. The fx-991cw is new and a bit unknown. Your choice really

[@jeeva1]

Where is multi statement button? , whren is clac button. Man this calculator is the example of one step forward 2 step backward

[@TheCalculatorGuide]

They seem to have removed the multi statement button on the newer models.

[@saujanyapoudel8910]

Hahahaha I cannot disagree with most of the comments cause they are true. I mean if you want someone to fail in their paper you can simply hand them this calculator. They would spend minutes figuring out the functions and simply just give up.

[@thomaspaine5601]

The old fx-83GT plus calculator is a fabulous calculator. The latest cw version looks and feels cheaply built. The display characters are smaller and harder to read. Many operations need more button presses to achieve the same thing. I do not like it. It has caused the price of the old fx83 GT plus calculators to soar on eBay! Can't believe Casio has discontinued the old calculator. Casio made such good calculators, they had completely cornered the market wiping out other companies like Sharp et cetera but they really have lost the plot with the last two iterations of this market-leading calculator.

[@silverphoenix_1756]

Who thought the Format button was a good idea?

[@TheCalculatorGuide]

I like the name change, but it would have been so easy to make it a toggle and the menu as a shift feature

[@silverphoenix_1756]

@@TheCalculatorGuide yeah exactly. Other than that, I actaully like this one more than the 991ex model. It'd just need time to get used to I guess.

[@TheCalculatorGuide]

@@silverphoenix_1756 Agreed. The more I've worked with it the more I quite like it. Just getting used to different practices really.

[@James-th7wb]

Horrible calculator. I bought 991ex instead

[@evolutiondl1492]

Yeah I’m about to return this calculator and buy the 991EX as well. Unfortunately, I couldn’t find the EX in any stores, and eBay looks like the only place where you can purchase it. Hopefully, it works as it should. EDIT: I returned it and bought the EX from ebay. Its not original but then again I don't think they sell the original anymore but it does the math that I need. No regrets. The 991EX is just better.

[@drdroidstein]

Guys the cw isn't that horrible, sure it takes a little more secs to calc because it has less button short-cuts, but it's processing time is considerably faster, so it cancels out the shirt-cut button time.

[@Crazytesseract]

This calculator is a major disappointment. With three Kashio brothers already gone, and the fourth one too old, what can be expected? I request you: don't bother with this calculator.

[@TheCalculatorGuide]

It will probably become the standard model though, so I probably will to keep up to date.

[@Crazytesseract]

​​@@TheCalculatorGuideThat is entirely up to you! What you say makes sense, however it has major design flaws in my opinion.

[@shaunbear13]

Unfortunately, they discontinued the old model, so now we are stuck with mimimalist garbage.

[@TizedesCsaba]

There is NO CALC, NO SOLVE for ANY variable, NO multistatement (:) - this is an useless calculator, greatest drawback in CASIO's history.

[@TheCalculatorGuide]

The equation solver is now in the equation app. It has essentially been compartmentalised. You are right that I don’t believe there is a multi statement feature.

[@TizedesCsaba]

@@TheCalculatorGuide OK, but if you define a function with more variables (x and others), those vars do not shown in the numerical solver: let f(x)=A+x, jump to SOLVE and solve f(x)=10 equation for variable A if x=3. There is no SOLVE for A only for x. Or mybe I'm miss something?!? And where is CALC?