in reply to Golf -- compute PI
Here's a few more methods of achieving pi:
# 39 Characters
map$x+=(-1)**$_*4/(2*$_+1),0..1e6;die$x
Now, I know Ovid said no Trig functions, but I couldn't resist. Perhaps we could consider the next two examples mulligans :-)
# 45 Characters
use Math::Trig;die 16*atan(1/5)-4*atan(1/239)
# 21 Characters
use Math::Trig;die pi
-Eric
Update: Taking some of PrakashK's suggestions, shaved off a few more characters. Thanks PrakashK! :-)
# 39 Characters
map$x+=(-1)**$_*4/(2*$_+1),0..1e6;die$x
Now, I know Ovid said no Trig functions, but I couldn't resist. Perhaps we could consider the next two examples mulligans :-)
# 45 Characters
use Math::Trig;die 16*atan(1/5)-4*atan(1/239)
# 21 Characters
use Math::Trig;die pi
-Eric
Update: Taking some of PrakashK's suggestions, shaved off a few more characters. Thanks PrakashK! :-)
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