xkcd

Approximations

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TheXKCD

Two tips: 1) 8675309 is not just prime, it's a twin prime, and 2) if you ever find yourself raising log(anything)^e or taking the pi-th root of anything, set down the marker and back away from the whiteboard; something has gone horribly wrong. Lots of emails mention the physicist favorite, 1 year = pi x 10^7 seconds. 75^4 is a hair more accurate, but it's hard to top 3,141,592's elegance

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