Q=:3 5$'ABCDEFGHIJKLMNO' ABCDE FGHIJ KLMNO
'+' (<0 0) } Q +BCDE FGHIJ KLMNO ]R=:3 5$<' ' --T-T-T-T-┐ │ │ │ │ │ │ +-+-+-+-+-+ │ │ │ │ │ │ +-+-+-+-+-+ │ │ │ │ │ │ L-+-+-+-+-- $Q 3 5 $R 3 5 '+' (<0 0)} R '+' (<0 0)} R |domain error | '+' (<0 0)}R It looks like it should be simple because all are characters except that they aren't. The boxes are all empty and don't want to be filled. Linda ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
