"Are the things you're living for worth Christ dying for?"
- epitaph of Leonard Ravenhill
Huh. I thought Pi Approximation Day was March 14. That's what I get for using American calendar notation.
March 14 has been designated a sort of "official" day, which I call Pi Day instead of Pi Approximation Day, and do not celebrate.The problem with March 14 (3.14) is that it is radix-dependent. Pi in base 8 is 3.1104… so it should be celebrated on March 11. Pi in hexadecimal is 3.243F… and should be celebrated on March 24.Pi Approximation Day is radix-independent because the approximation is based on integer division. It is celebrated on 22/7 (decimal), which is also 26/7 (octal) and 16/7 (hexadecimal), all of which yield the same approximate value of pi in their respective bases.It's a bit of a purist attitude. But I personally find July 22 a much more flexible and elegant approximation than March 14.That said, happy upcoming Pi Approximation Day 2010!
@Jamieson. You're mixing your bases there, approximating Pi in base 8 but using base 10 for the date.If Pi in base 8 is 3.1104 then Pi(8) Day should be March 9th (11 base 8).
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