Cleaner:
triangle =: 1&(,~ ~:/\^:_1)&(i. 0)
dtz =: #~ +./\.@:~:&0
fmtTrng =: ((|."_1~ i.&.-)~ ":@:dtz"1@:triangle@:<)&.(>: :. }.)-Dan ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
