from NYTs They asked Katherine Johnson for the moon, and she gave it to them. Wielding little more than a pencil, a slide rule and one of the finest mathematical minds in the country, Mrs. Johnson, who died at 101 on Monday at a retirement home in Newport News, Va., calculated the precise trajectories that would let Apollo 11 land on the moon in 1969 and, after Neil Armstrong’s history-making moonwalk, let it return to Earth. A single error, she well knew, could have dire consequences for craft and crew. Her impeccable calculations had already helped plot the successful flight […]

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# It’s Pi Day! Here Are 3.14 Facts About Pi

from The Verge You know the old saying: it’s Pi Day, Pi Day, gotta get down on Pi Day. And what better way to celebrate the date that embodies everyone’s favorite mathematical constant than with precisely 3.14 facts about pi. More here.

Continue reading# How to Celebrate Pi Day

from wikiHow Pi is a mathematical constant that is the ratio of a circle’s circumference to its diameter, and it is also one of the most revered mathematical constants in the known world.[1] Pi Day was first officially celebrated on a large scale in 1988 at the San Francisco Exploratorium.[2] Since then, Pi Day has been celebrated by millions of students and math-lovers. The holiday is celebrated on 14th March, since 3, 1, and 4 are the three most significant digits in the decimal form of pi. If you’d like to learn how to celebrate pi in due fashion, read on and […]

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