National π ["pi"] day
March 14th, 2009
When I was a kid I learned π [that's "pi" the ration of the circumference of a circle to its diamaeter] to 15 digits. While today I can’t remember my wife’s cell phone number, I still remember those 15 digits [3.141592653589793]. So I’m thrilled to find out that today is “Pi day”. Calculate.
And for those with better memories than me, here is π to one million digits. Let me know when you’ve memorized it. I’ll get you the next million.
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