CASIO fx-991CW fx-570CW CLASSWIZ Calculator Full Example Manual

In this video we learn how to use all features CASIO fx-991CW fx-570CW CLASSWIZ calculator with multiple examples. Nothing is left out. So please watch to get answer to your questions.
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Before buy this calculator watch: What is the difference between CW and EX calcualtor FX-991 and FX-570: • The difference between...
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00:00 Basic Usage (must watch 33 minuets)
33:51 Sexagesimal conversion Degree, Minute, Seconds
39:21 Evaluating Derivative with a value
44:38 Evaluating definite integral
49:01 Summation
51:06 Logarithm and Natural Logarithm Calculations
53:21 Percentage calculation discount, increase %
55:48 Factorial
56:20 Permutation nPr
56:31 Combination nCr
57:31 Generating random numbers
58:10 Generating random integer between two numbers
58:48 Absolute value
59:37 Round Off
1:00:42 Angle conversion, Degree, Radian, Gradian
1:02:52 Polar/Cartesian and Rectangular conversion
1:07:26 Trigonometric Calculation Sin, Cos, Tan sinh cosh tanh
1:11:42 Engineering Notation, milli, micro, nano, pico, kilo, mega, etc
1:15:47 Solver to solve for X in an equation
1:24:12 Using custom functions
1:27:11 Generating Table of Value for f(x) and g(x)
1:32:02 QR Code CasioPad.net
1:33:56 Statistics Calculation
1:50:11 Distribution Calculation
1:54:22 Spreadsheet
2:09:11 Polynomial 2nd, 3d and 4th degree
2:21:04 System of 2, 3 or 4 equations
2:25:34 Inequality calculation
2:30:54 Complex Number Calculation
2:42:10 Binary, Decimal, Hexadecimal and Octal Conversion
2:53:02 Matrix Determinant and Inverse and other calculation
3:02:50 Vector Dot product, cross product and vector calculation
3:09:21 Ratio Calculation
3:12:36 Flipping coin in math box
3:16:40 Tossing Coins
3:17:49 Scientific Constants
3:20:06 Unit Conversion
3:24:45 Replacing Battery
3:26:29 Error Messages
3:27:50 Technical Info.
3:29:07 Unboxing the package
Tutorial by Ahmad Shamshiri from Canada
#Robojax #equaserCasioFX991EX #equaserCalculator
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[@conflict200]

Take love from Bangladesh 🇧🇩🇧🇩🇧🇩

[@user-hh9bt8ex4t]

❤❤

[@bd29329]

Hi

[@chyonadhikary]

I am also 🎉🎉🎉

[@user-on9hr2xh7v]

I am also from 🇧🇩

[@sadique120]

কোথায় থাক?❤

[@nclflyer8197]

This is a brilliant tutorial. I’ve just bought one of these and thought it knew how to use it. But after watching your tutorial I realise I didn’t know half of it. Thanks for this 🙏

[@jackhargreaves1911]

Superb. Casio should make this their official video for the FX-991CW and FX-570CW.

[@AmitDotAcademy]

I haven't used any scientific calculator earlier. that way you have explained everything from basics is awesome. Hats off to you for all your hard-work and dedication.

[@cheekykant3419]

Ill shave down so much time Ill need for my statistics exam, thank you so much. I only got 60min so every second means so much!

[@bobbybannerjee5156]

Kheili mamnon-am Agha. Very hard work and thorough explanations. Greetings from India. Man az hind astam, bebakshid.

[@raselcreation258]

Alhamdulillah. Jazakallahu Khairan. Take Love from Bangladesh 🇧🇩💝

[@user-on9hr2xh7v]

Love from Bangladesh 🇧🇩. I needed this tutorial.

[@user-qb8uj8ul3m]

Man thank you so much. I was having so much trouble with this peculiar calculator!

[@shaurya_273]

Thanks a lot. Extremely beautiful and clear video to understand ❤

[@Anonymous_Participant69]

A full package... 🔥🔥🔥. Thanks man very helpful video Take ❤ from 🇧🇩

[@julia_gs4569]

Thank You very much!!! I was suffering trying to figure out this calculator :'( . Love from Brasil

[@theedspage]

Forever gratitude for your video.

[@easymath4080]

You are a legend,,this class will help me to be boss in of 991 cw calculator. Take love from Bangladesh🇧🇩🇧🇩

[@equaser]

A Persian from Khorasan. خراسان الکبیر

[@paulramos6151]

Thanks for a lot the video! I'm gonna take a computer engineering degree for college and I'm sure that these videos will help me throughout my school years. I learned a lot about the Casio calculator because of your videos during my school year that my teachers wasn't able to teach me because of the pandemic and as a visual learner, the manual is hard despite that the scientific calculator that I bought (Casio 991-ex) comes with a free book for every purchase of their product here in the Philippines. I hope that you wouldn't stop making videos about the Casio 991-ex as I found these new product line a nightmare, making me hope that they would still make a new product line with the old layout which I prefer along with it's durability. That's why I bought their product as it sets it apart from other ones such as Texas Instruments and Canon as well as Hewlegt Packard.

[@sudz7061]

Im doing the same course than u bro 😮

[@paulramos6151]

@@sudz7061 Good luck to both of us.

[@HamzaAleem_Math]

I am also doing the same thing

[@gamingabir5267]

My brother take my cordial love. Love from Bangladesh 🇧🇩❤❤❤

[@doyen2365]

You are the best. Thanks for this video. Love you.

[@shubhrajit2117]

Thank you for such elaborate video :)

[@wagnergomes4025]

Thank you very much for this video!

[@bytecode5834]

Many thanks for the video. I'm going to buy the fx-991CW because of this manual.

[@equaser]

If you can get fix-991EX and I have full manual for that. I have compared both. See link in description. Ex is much better

[@bytecode5834]

@@equaser Many thanks, I owe you two now ;)

[@elizamanandhar3736]

Thankyou so much . The video was very helpful. Please i request you to make video on how to solve bisection using this calculator.😊

[@ditya3548]

You are unbelievably helpful. Thank you very much.

[@equaser]

you are welcome. your subscription is stamp of approval on my channel and my video is suggested to more viewers and it will help me. thank you for helping me.

[@nafisgametube4902]

anks a lot. I appreciate your hard work.

[@liliuMAX]

God bless you my friend for make this video. Really useful

[@equaser]

God bless you too. Thanks

[@alexfekken7599]

Thank you, much appreciated. The difference between Combinations and Permutations is not about repeat vs non-repeat (i.e. "putting it back" and being able to choose the same thing again), but about whether you care about the order in which things are chosen (Permuations) or not (Combinatioms). If you allow repeats (and care about the order) then the number of possibilities is n^r.

[@faheemali1650]

May you please tell me how to turn it off

[@maximilian5817]

​@@faheemali1650try using a hammer

[@faheemali1650]

@@maximilian5817🤦‍♂️

[@somiochakroborty105]

Thank you sir....❤️ from 🇧🇩

[@ishankulkarni-e6g]

exactly wat i was looking for

[@newazabir8492]

Thanks & take love From Bangladesh 💖🇧🇩

[@Alex-lj1pu]

Thanks a lot for your tutorial 🤓

[@apocalypticbean]

Thank you for sharing 😎👍

[@MohanYadav]

Very helpful. Thank you so much

[@Mr...person]

It's very helpful for us .FROM BD🇧🇩🇧🇩🇧🇩🇧🇩

[@mdtanim9361]

Alhamdulillah. Thanks a lot. I appreciate your hard work.

[@equaser]

It's my pleasure

[@FARDINALIFSAMI-km6sf]

Thank you very much brother ❤

[@jamilurrahmanjamil8510]

Take love❤❤ Watching from Bangladesh

[@abdullahalmamun9748]

Thank you so much.... It's Very helpful for me..Allah will give you best reward for it in sha Allah..... ❤️❤️

[@equaser]

آمین. جزاک الله و‌خیرا

[@faheemali1650]

Bhai can you tell me how to turn it off

[@HamzaAleem_Math]

​@@faheemali1650you press shift and ac button

[@HamzaAleem_Math]

​@@equaser I also say you jazakallah thank you so much

[@michaelturner4457]

I played this video when I couldn't sleep.

[@jxrryy_]

Really helped thanks

[@Mucurex]

Very good video.

[@samiasammi1102]

Thanks a lot persian brother ❤❤ God bless you

[@equaser]

You are very welcome. May I know where are you watching this video from? Is this calculator available in Iran’s market?

[@NAW32Nicoisme]

Thank you.. Amazing👍

[@ambiabintaaffan4351]

Take Love and Glory From Bangladesh ❤🇧🇩

[@I_Am_TTC]

My admission is coming... And i dont know how to use cw calculator... Thank you so much... Take love from Bangladesh ❤

[@equaser]

Best of luck!

[@HamzaAleem_Math]

And my exam is coming and I don't know how to use this calculator thank you so much❤❤❤❤❤

[@blackimp4987]

You made a Titanic job here. Thank you. If I had to buy a new scientific calculator, a non graphic model, I'd go for this one. Cosmetically I prefer Sharp models but they are incredibly slow in solving integrals. One question: is there anything comparable to this amon Sharp calculators? I wanted to buy a EL-506T but from your old video it seems it's VERY SLOW in calculating definite integrals compared to this and other casio. Thank you

[@alaminpramanik470]

Thanks a lot,,i am from Bangladesh 🇧🇩🇧🇩.

[@thi480]

There is no video or tutorial of the calculator in Portuguese. It's not known in Brazil. Thank you very much, it helped me a lot.

[@cristianoalvesfera]

tbm comprei uma, aí descobri que não sabia usar

[@BlackDKay]

O mesmo comigo, mas o vídeo ajudou muito.

[@robervaldo4633]

pode seguir vídeos sobre a 991EX ou até as mais antigas, o que mais mudou nessa CW foi que muitas funções passaram a estarem em menus sob o botão catalog, ao invés de ter diretamente nos botões

[@ArindamPaul1989]

Thank you so much.. 😇

[@iliveforelysia]

Thank you gru

[@nazmulislanobel.]

Take love from Bangladesh ❤

[@RobinChy-jy4um]

Thankyou life saviour bro... ❤❤❤

[@user-xi8sq7jo6z]

does anyone know if i can use this on the ap statistics exam or should i opt for something more powerful? i'm on a budget and i need a cheap graphing calculator.

[@reactiongaming8600]

Take love, from Bangladesh 🇧🇩🇧🇩🇧🇩🇧🇩

[@user-mr7oo5jn1l]

Love from 🇧🇩🇧🇩

[@7alken]

hi, this UI looks finally quite cool and fresh :-) ordered this lovely calc today (fingers crossed the keyb is OKAY, because on 991ex (the ugliest font one), I fixed the keyb response little-bit by some supports for keyb PCB on the edges where it was too flexible, ... more screws nex time, guys ...) ... (and thanks to all your tutorials!) ... on the web exists one article titled "Comparativa entre las Casio fx-82 más actuales" which compares 3 generations of fx-82 up to 2nd ed and its funny how they skipped with keyb layout, really as if it designed little kids :-) ... I understand its not easy to do unified UI with growing functions, but on this 991cw somebody evidently restarted thinking :-) kudos!! and tnx again to U2;

[@7alken]

... umm fact is, that I like more the alpha-based keys than those symbolic as pwr/root/frac here ... and would be nice to have things like " . , : ;" somehow "cycled" on single key or so ... its all about usage frequency of most important keys ... ya, ... its quite sad that there isn't some at least ITU-T approach (as on old mobiles, I use it still on android ...) to write complete alphabet/numbers easily, to enter functions by partial names (autocompleted from submenus) ... :-)

[@7alken]

also, I play with calcs only for relearning about math (and this approach here IS very clear for this purpose, IMHO, not confusd by searching on keypad, using unified control, umm, I will see ... only personal experience can provide the feeling ...), not for daily usage, where even things like Sharp EL-501T is in fact plain old "TI-style", most known for me for decades :-)

[@bigpoppa192]

You need a course to use this thing in courses😂

[@shuvoooooo]

love from Bangladesh 🇧🇩

[@jsprjubayerahmed2087]

Thanks a lot

[@user-gd2wl4pg3t]

Try to Collab this video with any Bangladeshi and make it in bangla translation it will help so many students Of our country and your channel also get some boost pls

[@AlAminIslam-ix6uf]

Too much great ❤

[@purplemoon8722]

thanks a lot

[@muhammadmubarakhussain3615]

Many many love fron Bangladesh.

[@lolbruh5621]

This calculator is a new model that Casio has released :).

[@user-co1hb2mp3q]

thank you

[@tanayagrawal1695]

Hey, Please tell me how to do, practical harmonic analysis on this calculator, please🙏🙏🙏

[@LukeGaming307]

Im German, we are forced to use that thing, so i looked through your video, i liked it

[@madhurbhargava7781]

Why forced ? What mean can u elaborate??

[@LukeGaming307]

@@madhurbhargava7781 basically, to do the job I want l, I have to get a school degree called Abitur and that's the only calculator allowed in the 3 prep-years and the final 4 tests, that's what I mean

[@abidullah22]

Please make a full manual video for Fx-CG50 graphing calculator.

[@mehedirimon3878]

I am watching from Bangladesh 🇧🇩🇧🇩🇧🇩

[@libaansarwar4721]

love from Bangladesh ❤

[@tongfan]

OMG SO THANK YOU I LOVE YOU FROM KOREA🇰🇷

[@tongfan]

I did subscribe like share ♡♡♡

[@napatseresirikachorn6621]

Anyounghaseyoooo

[@tongfan]

@@napatseresirikachorn6621 bangapsupneda

[@nueto8864]

thanks!

[@RifatOnTheMove]

Love from 🇧🇩🇧🇩🇧🇩

[@professor44488]

Thank you varrrrrrrry mutch ❤❤❤❤❤❤❤❤🇧🇩🇧🇩🇧🇩🇧🇩🇧🇩🇧🇩🇧🇩🇧🇩🇧🇩🇧🇩

[@adittohossain7318]

Take love brother

[@everythingaboutpiper3990]

This video was very educated I learnt alot but be any chance can you explain how I could use the calculator on an exam perhaps on CXC mathematics paper 2

[@everythingaboutpiper3990]

Because it's a very huge exam that's coming up in the Caribbean and honestly be able to understand how to use this calculator for the long questions would be a game changer for me the exam is on the 13th so I'll be messaging and hopefully you do a paper

[@equaser]

I am glad this video is helpful and good luck with your exam.

[@user-pu9jw6cq4i]

How can we write multiple equations of numerical method

[@stephenbroad2363]

Thank you for your extensive video - I do seem to have an issue with this calculator dividing or multiplying two numbers in floating point - E.g. if I divide 1x10-3/1x10-4, it should equal 10, but on the fx-991CW, I get 1x10-7. Any suggestions? Thanks

[@equaser]

Try parenthesis for everything in the numerator end in the denominator. For what this 1x10-3? Is it the 10 to the power of -3? If so is the specific key for that. I have given examples in the video.

[@stephenbroad2363]

@@equaser Thanks. I never needed to do that on my old calculators! I am now receiving the expected values 🙂.

[@yusufataullah2773]

How do you do the random number generator on this calculator, where you can put a range of numbers and the calculator will pick a random number in that range?

[@equaser]

Please watch . I have explained and given example. Watch first few minutes to learn how to use chapters

[@Orthodoxuk]

Can't find the graph plotting description?

[@emonrahman9600]

Help me please How can i input different values for the x. In the same equation. As i can do it by calc button in the previous version but in this model i can't find it.

[@dimaminiailo3723]

use the variables, you can change it whenever you want. it fully substitute the CALC

[@abbasramezani9244]

بسیار عالی❤

[@MohdImran_iitd_2015]

Does this version has done away with colon : it helped in multiple calculations one by one For example solving bisection method--- X=(a+b)/2:f(x) On pressing an equal sign it just asks the values of a and b.

[@equaser]

Please watch. I have explained it

[@suhas-japan-vbook1255]

Please make a video on difference between Casio classwiz fx 991ex and fx 991cw . And which is better!

[@equaser]

I am making it in about 3 weeks I am on a trip out of country. Thanks

[@Prem0812]

Thanks from India, I preferred 991 cw as ,ex is NOT available 😅

[@KpPaul-jr4oc]

Nomoskor sir

[@simrankhapre6301]

Why are we getting elements answers in decimals for inverse of matrix? Can we convert it ??

[@equaser]

I have shown it. just move the cursor to each cell and on the screen at the bottom you will see exact value or fraction. then write it if you need it.

[@davinacampbell2221]

Question i have a exam coming up and im interested in the 991 cw since it use solar energy and my exam is 2½ hour will it go that long without solar light. What im trying to say it do you have to use solar light while using it or you just use it to charge it and how long will it last for 😢😢

[@equaser]

The battery should last for a year or more.

[@madhurbhargava7781]

Sir in my casio cw even after pressing shift and = button Its not inserting Equal to symbol ? My calci is new 3 months old and No Sign of Any probelm still ? What to do

[@HamzaAleem_Math]

If you want to write an equation you must go to equation mode and the go-to solver.

[@PAAkhtar]

There is a bug in this calculator, try this: 2-1, EXE, /2, EXE, SHIFT EXE to get 0.25. The correct answer should be 0.5 . The EXE has a wavy equals sign above it which means approximate value (or decimal vale). This means do not rely on SHIFT EXE to convert your fraction into a decimal, it will often give the wrong answer. They should have kept the SD key.

[@SahidBoy.]

Just use convert bro Shift exe gives u the next answer when u use (ans) It does not mean decimal

[@good_vibes7513]

you are right

[@gwynth8489]

I have important questions why my fx-991cw I can’t use any fraction form in equation mode for this problem 20sin(60pieX-6pie)=-10

[@equaser]

You can enter fraction. Just enter it.

[@user-co7ez6db6v]

O bro thanks

[@napatseresirikachorn6621]

Ok bro

[@Highlight....]

Nice

[@napatseresirikachorn6621]

I know

[@fredolastname839]

How to use casio fx-991 cw for interpolation? I need to use this for my study i hope you can help me. I already tried but its not working. Thank you in adv.

[@equaser]

It seems you didn’t even watch first 2 minutes of this video. I said this video shows everything. So please watch

[@user-hc4fq8ed2l]

hello i thank of all, please how can i calculate for example 23(2-x)^-2=0

[@equaser]

I have given examples for solving x. Use chapters to jump or see description below the video and click to got yo that section. Or simply watch the video until you reach to that section. Good luck

[@akshayab5722]

Can you please tell the difference between math input and output? The answer is only coming wrong If we do 3-0.756 and then do -1 it's coming wrong, answer is coming as 0.235

[@jeeva1]

How to store equation like this 6x+3y and substitute value x=1 , y=3 in this calci

[@equaser]

I have given examples. please watch. Or watch first 3 minuets to learn how to use chapters.

[@jeeva1]

Hey thank you , my bad I didn't fully ​watch your video🙏🏻@@equaser

[@UmmehabibaScience]

How to find anti logarithm?? Any option?

[@musicthrillz]

How to Make Table for Trapizoidal and Simpson's 1/3 rule with this calculator? And where is the "CALC" button?? plz help mee...

[@equaser]

Have you used the chapters? this video has chapter and I have explained it in the brginign of video to easily jump to different section. There is section for Solve and Custom function.

[@divyabhattarai3863]

hey can anyone from the comment section help me .... I have been trying to click the log with base but it just is the normal log i dont know if its just my calculator or maybe i should be doing something to bring the base ?

[@equaser]

Please follow the instructions in the video. I have given example of that

[@khinchawsuaung-tt1wt]

Please tell me how to solve Euler Method on 991 cw . For example, A=0.2(Y+X):B=... I don't find this : two dots in 991 cw. Two dots are seen beside d/dx on 991EX but not 991 cw

[@equaser]

That is called multi statement and I believe this calculator has it.

[@khinchawsuaung-tt1wt]

​​​@@equaser I can't find it in 991cw. please tell me.

[@equaser]

my friend I gave you the key but you did not use it. I just searched for "multi statement" and got this page support.casio.com/global/en/calc/manual/fx-570ESPLUS_991ESPLUS_en/basic_calculations/multi_statements.html now let's see if you reply back.

[@fahim_al_farabi]

Is it possible to calculate domain range via this calculator?

[@equaser]

all the featueres have been explained. this is full manual. Please watch to know if it does or doesn't. Watch first 2 minuets to learn how to use chapters where you can use it to jump to different section of this video.