I wrote: > dont =: ... ^: ... @. ... > > dont '+: 5 10 20' > 10 20 40 > dont '+/ 5 10 20' > 35 > dont '(+/ % #) 5 10 20' > 11.6667 I guess this is the final proof that given J and a sufficiently POWERful AGENDA, you can DO anything! -Dan PS: Sorry, sorry, I'll quit now. I just couldn't let that opportunity slip by ;)