20 Cool Features Of Casio fx-991ES Scientific Calculator !!

Watch My Other Calculator Tutorials-
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Hello My Dear Friends,
I'm Sujoy from India,and today I'll tell you about 20 cool features of this calculator in COMP mode. I've uploaded many other videos on this calculator,Click the playlist link above to watch them.
List of 20 features-
1. Fractional Calculation
2. Expression Calculation
3. Trigonometric Calculation
4. Percentage Calculation
5. Hour,Minute,Second- Sexagesimal Calculation
6. CALC and SOLVE Function
7. Random Number Generation
8. Numerical Integration
9. Differentiation
10. Factorial Calculation
11. Unit Conversion
12. Scientific Constant Feature
13. Root Calculation
14. Permutation and Combination
15. Using Calculator's Storage
16. Multi-Statement Calculation
17. Adjusting Display Contrast
18. Typing Names In Calculator
19. Polar To Rectangular Conversion
20. Rectangular To Polar Conversion
I've uploaded videos on Statistics,Numerical Methods,
Business & Financial Mathematics,Operations Research,Computer Science,Electrical Engineering,Android Application Reviews,India Travel & Tourism,Street Foods,Life Hacks and many other topics.
And a series of videos showing how to use your scientific calculators Casio fx-991ES & fx-82MS to do maths easily.
Join me at my KZbin Channel- / sujoyn70
Join me at my Blog- www.sujoyn70.blogspot.com

[@sujoy70]

If this video has helped you,please "like" it & "subscribe". If you subscribe,you'll be notified by email whenever I upload a new video. And if you don’t have a youtube channel yet,by subscribing,you'll get one! If you "like" the video,you can later find the video under "likes" option on your own youtube channel. And don’t forget to share. Remember,"sharing is caring". Thank you all.

[@sujoy70]

If someone is getting answer like this-

[@sujoy70]

To know how to use "Sum" feature, watch my another video- "10 Additional Cool Features of Casio fx-991ES Calculator". And which "seq" feature you are talking about?

[@sujoy70]

To know more about significant figures and to know how to convert between scientific representation and normal decimal representation,watch my this video-

[@sujoy70]

See my video- 10 Additional Cool Features of Casio fx-991ES to know that!

[@pinaryilmazer300]

sujoy could u pls explain to find a complex root for qubic eqn such as this eqn

[@mathdanse]

I am taking my FE exam this semester with this calculator, and you have helped so much after only one video! I am so thankful! I will be watching your other videos, subscribing, and upvoting. I am so thankful you spent the time to make this. Thank you, thank you, thank you!

[@hasnatsheikh107]

in the 13th feature route 2 calculation if you have press the button of s<=>d inspite of shift = the result would have the same

[@sulemanatta4961]

Dear Sujoy Krishna Das , You are highly appreciable for your great and sincere work..

[@ruchigupta6665]

Thanks Sujoy, It was a great help to me to get hands on this calculator.

[@MajorGrant]

this calc is amazing lasted me all through middle school and im in highschool right now and still using it .... really good ... test center approved... and rugged

[@IJN_Kawakaze]

This is my childhood calculator since my dad bought it to me and i didn't noticed that there so many things i can do with this calculator

[@autobahn2501]

Thank you. Pol and Rec really helped me.

[@jembola7474]

Very helpfull video. Learnt so much in feww minsss. Thanks a lot.

[@MsPrissyd]

Thank you Sujoy for showing different features of the Casio calculator! I will be starting a Chem II class in January. If you can foresee some functions of the CASIO FX115ES PLUS that will be necessary in Chem, I would be grateful for any tips.

[@jasminerasheed9801]

Thank you so much Mr. Das that was really entertaining and very useful for my upcoming exam tomorrow may God bless you. Keep up on doing this please!

[@bhavana3214]

Thankyou soo much,i didnt have to use calculator when i used to study back in my country,but coming abroad i really needed to use one of the,and u helped me out learn its features,I would also like you to help me out finding area,volume and some trignometric applications.

[@dieselkopec3539]

I love you, you're the reason I got a 96 on my final math exam.

[@mrIceblink]

Nice overview. Note you can just enter 1000Ran#, no need to explicity include the multiplication symbol (and as pointed out below, S<>D key will switch between decimal and fraction ouputs, rather than using shift + =)

[@vitasam70]

thanks for comprehensive video! I did not find answer - can fx-991ES store equations or expressions like X*(Y-5) in the memory after OFF / ON?