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In a lively show, mathemagician Arthur Benjamin races a team of calculators to figure out 3-digit squares, solves another massive mental equation and guesses a few birthdays. How does he do it? He’ll tell you.
Near the end, he lets you know what he is doing inside his head to make these calculations work...
BTW, for you guys that like science, technology, economics... www.ted.com has some pretty fantastic stuff up there.
It's pretty cool, but what practical applications? I guess if you're a math teacher you can write & grade tests quickly. Don't get me wrong, I enjoy the entertainment aspect.
Agree with Ron - there's no practical application for that unless you're caught in the extremely rare situation of having to quickly recalculate the trajectory of a spacecraft.
I did like the "let me re-cap" and "I'm not worried about someone doing my routine in a show next week" bits
I want to depart this world the same way I arrived; screaming and covered in someone else's blood
The most human thing we can do is comfort the afflicted and afflict the comfortable.
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