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Tablet Shows Maybe Greeks Didn't Invent Trig After All

Researchers say Babylonians beat Greeks to trigonometry by 1,000 years

(Newser) - Greek astronomer Hipparchus is known as the father of trigonometry. But the Guardian reports Babylonian mathematicians may have gotten there 1,000 years earlier. Ever since the real-life inspiration for Indiana Jones discovered a 3,700-year-old clay tablet called P322 in what is now Iraq, historians and mathematicians have debated... More »

'Number Sense' Predicts Math Success: Study

Ability to guess group size linked to algebra, calculus skill

(Newser) - The skill of estimating group size at a glance is directly linked to success in higher forms of math like algebra and calculus, reports the Washington Post. A new study found that students with better “number sense”—the ability to quickly and accurately guess numbers in a group—... More »

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