How I Learned to Calculate Faster than a Calculator (you can too)
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- เผยแพร่เมื่อ 22 พ.ค. 2024
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If you struggle with mental arithmetic (like me) then this video is for you. It'll show you how it's possible to think like a maths genius and answer maths questions you never thought you could.
Thanks to / @msmunchie123 for giving permission to use her video.
And thanks to / @chillingwithdaps we had a lot of fun making this.
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Here's the explainer. How to quickly square a number in your head
• How to square a number...
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Don’t let a something that happened in the past make you believe you’re not capable of changing. Sometimes the only thing holding you back is your way of thinking
Can't hear that enough
Very well done and thank you for anothet super video.
A great video would be demonstrating the different types of abacuses available and what each is best used for.
Always excellent content
Fantastic video!
There is nothing that makes you faster in math than mechanizing mentally the ‘Soroban.’ I taught it to my kids to developing their agile mind they have when calculating and analyzing other aspects. It is all about having an agile brain.
There is actually, it is to practice long division, Multiplication and Factorization everyday mentally forgetting about the calculator (except when extremely necessary)... You can add that to the soroban and the mental *tricks come later. You do all mentally, begin with 2 digits, then 3, then 4, 5, 6 and so on until there are no mistakes any more. I had to stop because I needed to work, but I became capable of Factorization on any number of 4 digits in the street, most of the time I was correct. Factorization is more than exponentiation because you are holding various amounts of information in your head. That is the key, this is why it can also boost abstract thinking.
Great video😊
This square method was taught to me by my teacher when I was in middle school. It is the a^2 as, a^2 - b^2 + b^2 = (a - b)(a + b) + b^2. With enough practice, it can be done really fast.
When talking about learning what would you do differently if you did start studying physics based on your current knowledge about learning?
Trachtenberg system?
The 7x table was my worst then became my best. I remember just repeating it in my head over and over. 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98 ...
I also saw students that use abacus can do large multiplication mentally.
The girl at the start was actually using the mental abacus method
Most mental calculators uses these tricks of which there are a lot. Did you mention the special case of squares ending in 5? That accelerates it a lot. (divisibility rules are fun too - can you tell if a number is divisible by 7, 13, 17 or 19? Yes there a rules to find it out). However, I have read that most of the fast calculators made poor mathematicians and those who became good mathematicians slowed down considerably.
First! Thank you for the great content!🙂
Would studying Soroban help, adding the tactile sensation of the abacus to help reinforce the mental calculation?
Who knows buy the girl at the start was using soroban
The TED Talk video by Arthur Benjamin doesn't have 24 million views, but rather just 5.5 million views. The 24 million figure refers to the number of subscribers on the TED channel.
That was good progress in five days!
Why is the video unlisted?
still watching through the video, but 98**2 can be done *easily* with what I learned sometime ago: 98 is 100 - 2 so 98 * 100 - 98 - 98. 98 * 100 is easily calculated (just append 2 zeros) -> 9800 - 98 - 98. Again, 98 is 100 -2 so 9800 - (100 -2) - (100 - 2) which is 9800 - 200 + 4 => 9604!
Why 101?
At the 2:40 ish mark
Why did he visualize 50 pairs adding up to a hundred and one?
I have postcard portraits of Eli Cartan and Emmy Noether on my office wall; I was kind of hoping for a somewhat different interpretation of "MATH GENIUS" than "ACCOMPLISHED MENTAL ARITHMETICIAN"
I do have that Stephenson book, though. (Also: that story about Gauss does not have a non-folkloric source.)
love videos
I recommend watching Shakuntala Devi's videos. She was a math genius. She has written several books on doing fast math calculations.
Please don't compare Shakuntala Devi's level with this. People can probably imitate her but still not able to match her. She was solving cube roots in her mind when she was 7. She can solve the 23rd root of a 201 digit number in 50 Seconds. That is beyond monstrous or impressive. That is godly level of intuition and computation of maths which only someone has proper mental pathways (Stimuli which trigger changes during brain development at 3-5 years of age)can do.
Since 2015 I have attempted to learn faster than a calculator.
Vedic maths is helpful.
I improved but I need to get faster.
It's a difficult language.
I use math tricks app
I don't need to be a genius at mental arithmetic because I have a calculator. I want to be a genius at abstract thinking.
Still a skill that might be useful to pick up in my later personal studies. Abstract thinking isn't something I struggle with. Separately, problem solving in general is. (Not maths or stuff but like discrete problem solving for stuff like programming)
I’m the complete opposite. 😎
I want to be both like gauss...
Mental arithmetic allows you to develop an agile mind which is a requirement to be truly an abstract thinker. How could you develop an abstract thinking if you can’t handle math mentality?
@@danyos777 By understanding math isn’t a prerequisite to abstract thinking nir correlated to be honest. Still, as the case with just about everything you could quite literally just start that way.
In contemporary times, novice programmers have gained a competitive edge in the field owing to their remarkable problem-solving and critical thinking skills and the use of AI-enabled tools. Their leadership proficiency is well-established and expected to continue as accuracy levels move towards AGI. In this regard, the emergence of Artificial superintelligence is viewed with optimism.
Neat party trick but I consider this little better than rote memorization. It is not going to change your life or lead to profound insights. If I could be magically granted either the ability to do this sort of arithmetic in my head or an equally impressive understanding of category theory (or one of the many other branches of mathematics) I would take the latter in an instant. We have machines that can do arithmetic but not category theory.
I think you might be missing the point. I feel like its about changing the way we look at numbers. This could be helpful in producing new insights. Everything is about perspective after all.
Einstein would have never come up with his theory of relativity if he hadn't been thinking about light and how it would experiences the passage of time. A change in perspective can change everything.
Also i'm not sure we need more people who understand category theory. We need people making new theories not learning old ones (granted learning old theories will probably increase peoples perspective and allow for insights in how to apply them in new ways which will lead to the creation of new theories).
Also if i'm not mistaking, most famous mathematicians thought that their advanced theorems were never going to be of any use and thought of them as simple exercises of the mind until we discovered a use for them (*insert something about quantum mechanics and math here*). Knowledge is always worth while.
Said like someone who could never do it well done to you for being bitter
I took this as something more foundational and supportive to other skills actually, specifically related to maths or perhaps finance or guesstimation. By itself it's not much, but it's another tool, only useful if it's useful to you
Check out Rüdiger Gamm, the human calculator
as soon as you showed that girl in the beginning I was thinking this video was going to be about the soroban.
I think in the UK maths is harder because it's plural
I am a Math genius too. But I am eating 🍋 lemon every morning and every evening! 😎
great video. doubt a dumbass like me could do this but I'll give it a bash
Bill Gates up to his old tricks I see
If you can remember the 70’s you weren’t there
First of all, that never happened 😂
You can't prove that anyone can learn anything unless you test all people and all tasks. Good luck!
The girl Michelle used mental soroban to do the calculations. Maybe learn that
Wow, she can do 10000 - 100 - 99 in her head! 🙄
The violen sound is so high and irritating
You are using clickbait. You are a cheaptuber.
What about that was clickbait? If it was something promised that was not delivered perhaps.
So why is this woman not improving these AI's that aren't doing so well at math?
Artificial Neural Networks are another topic. Yes, fundamentaly you can say it is math, but by that reduccionism one can say that baking is purely math and ANN have more to do with Natural Language Processing than computing, cause, at it's core, that's the job of the CPU
Because the alot of the AIs that are available aren't actually doing math. They're doing pattern recognition, which is very different.
@@ryandavies4894 They're using regression. I'm not asking why the AI's are not good at math. I am asking why they don't have this woman helping to improve their math skills. AI's are trained.
@@itzhexen0 AI improvement in math depends on its design and training. If it's not good at math, it hasn't been trained for that specifically. It's not just about having someone to improve it; it requires targeted development and training with appropriate math-focused data and algorithms.
@@ryandavies4894 Get working on that AI and show us.