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Someone always asks the math teacher, "Am I going to use calculus in real life?" And for most of us, says Arthur Benjamin, the answer is no. He offers a bold proposal on how to make math education relevant in the digital age.
See a TED talk: https://www.ted.com/talks/arthur_benjamin_s_formula_for_changing_math_education#t-162563
Another very interesting TED talk of Arthur Benjamin is A performance of "Mathemagic": https://www.ted.com/talks/arthur_benjamin_does_mathemagic?referrer=playlist-math_talks_to_blow_your_mind#t-4120