Raul and Ric, Yes, the ;/ is only for illustrative purposes.
So the pair of results I need a much simpler than I thought, as you both observed. ;/1([|.]) i.5 4 3 ;/1([|."_1]) i.5 4 3 Thanks to all, ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
