Math + Vishnu = Really Fast Math
May 28, 2007 12:12 AM Subscribe
What is the square of 85? In an instant, a 17-year-old boy said without blinking, "7,225." Kamlesh Shetty had used a trick from a quaint concept called Vedic math, a compilation of arithmetic shortcuts believed to have been written by ancient Indians who lived centuries before Christ, during a glorious period in Indian history called the Vedic Age. More on Vedic math. Still more. And there's a similar system called the Trachtenberg system, invented in a Nazi concentration camp. Where were these guys when I was in the third grade struggling with my times tables?
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