Some might prefer this version: (sqrt(%pi)*r)^n --------------- (n/2)! At 12:24 PM 5/1/2008, rwg@sdf.lonestar.org wrote:

hgb>Even more bizarre, IMHO, is the fact that in the volume formula for n dimensions, it isn't pi itself, but sqrt(pi), that is important.

That's sort of a notational artifact:

(c41) sphere_volume(n,r)

n/2 n %pi r (d41) --------- n (-)! 2