Happy Pi Day

Today, March 14, is Pi Day.

Pi, according to Wikipedia:

… is a mathematical constant whose value is the ratio of any Euclidean plane circle’s circumference to its diameter; this is the same value as the ratio of a circle’s area to the square of its radius. It is approximately equal to 3.14159265 in the usual decimal notation. Many formulae from mathematics, science, and engineering, involve π, which makes it one of the most important mathematical constants.

π is an irrational number and cannot be expressed in a fraction.

Now we’re done with the geek bit. And we’re on to the fun stuff.

Pi Day was created by Larry Shaw in 1989. According to Wikipedia:

The holiday was celebrated at the San Francisco Exploratorium, where Shaw worked as physicist, with staff and public marching around one of its circular spaces, then consuming fruit pies. The Exploratorium continues to hold Pi Day celebrations.

In celebration, here is a bit of Pi for your enjoyment.

Pi r square.  No Pi r round
Pi r square. No Pi r round
Pi sculpture Sculpture at Harbor Steps in Seattle, Washington

A little music…

No, we didn’t forget the kitties.

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