One liners to output approximations of Pi to arbitrary precision! Note: The idea is for the program to directly calculate pi rather than obfuscate it in the code somehow. I will start us off at 82, a lot of room for improvement: 
@_=map(1/$_,map($_**2,1...1000000));for $a(@_){$s+=$_[$i++];}$s*=6;pri
+nt sqrt($s);

[download]
Edit: Cleaned up a bit for 68: 
for(@_=map(6/$_,map($_**2,1..1000000))){$s+=$_[$i++]}print sqrt($s);

[download]
Edit edit: We both realized the same thing at the same time apparently.

In reply to Pi golf: by Robbjedi

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