Archive for May 13th, 2008

Mathematics + magic = mathemagics

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Last night this typist gasped. At math. No kidding. I laughed too. And clapped. And marveled. And jumped to my feet. At math. MATH!And you would have gasped, laughed, clapped and marveled too, if you’d witnessed someone work this out in their head: 57,682 x 57,682 = It took him about 20 seconds to come [...]