On Thu, Nov 4, 2010 at 4:57 AM, R.E. Boss <r.e.boss at planet.nl> wrote: > Stumbled the other day on > > ([: +/\&.:>: #&0) 5 > 0 1 2 3 4 You could also use (_1 + +/\@#&1) or +/\@:-.@{.&1. -- Raul