My goal has been to translate from expressions with @ to ones without it.
f=: 13 :'x?@$y' 2 3 f 6 2 4 2 3 2 5 g=: 13 :'x?$y' 2 3 g 6 |length error: g | 2 3 g 6 h=: 13 :'?x$y' 2 3 h 6 4 3 1 5 0 1 f ?@$ h [: ? $ Can you rewrite this without @ ? i=: 13 :'*:@+/x' i i.4 456976 Linda ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm