On Wed, 07 Nov 2007 08:18:26 -0800, art wrote:

Try proving my initial post on this thread is in error

In one sentence with fewer words than? :
On Tue, 06 Nov 2007 11:04:38 -0800, art wrote:
Shorten your post and just type one line. I Richard, can show the error of your mathematics
Rr = 80 · pi² · (length/wavelength)²