What is the fastest way to get the value of π?

Question

I\'m looking for the fastest way to obtain the value of π, as a personal challenge. More specifically, I\'m using ways that don\'t involve using #define constan

Answer 1

If by fastest you mean fastest to type in the code, here's the golfscript solution:

;''6666,-2%{2+.2/@*\/10.3??2*+}*`1000<~\;