Ian, To me the Lab is almost like being given only one technical appendix from a very technical textbook and given no idea of the purpose of the textbook. What am I supposed to use format/zulu for? What can I do or do more easily with format/zulu? Neither "format", nor "zulu", tell me anything.
-- (B=) ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm