On Sat, 10 Mar 2001, Yukihiro Matsumoto wrote:
> In message "[ruby-talk:12351] Re: Math package"
>     on 01/03/10, Masahiro Tanaka <masa / stars.gsfc.nasa.gov> writes:
> |BTW, I like more functions in Math module, such as
> |asin(), hypot(), etc, in the core distribution, 
> I have no knowledge about availabily of those function.  If someone
> would supply survey and patch, they will be merged into the core.

def asin(x)
	Math.atan2(x,(1-x*x)**.5)
end

but I don't know what hypot(...) is supposed to be... (is it just
(x*x+y*y)**.5 ?)

matju