Roger Hui wrote: > I don't understand what you mean by "M. is only a suggestion".
>From the Dictionary: "u M. is the same as u but may keep a record of the arguments and results for reuse." I take this as a hint that u be memoized, but with no obligation on the interpreter. I regard this as a suggestion. Best wishes, John ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
