Is it me or does some of the peculiar turns of phrase make you think Ken wrote all or part of it? - User ( 6 ∑ n = 1 ∞ n − 2 ) 1 / 2 {\displaystyle \scriptstyle (6\sum _{n=1}^{\infty }n^{-2})^{1/2}} 04:02, 17 April 2009 (EDT)