Thank you for the advice. It made a lot more sense seeing that I'd spent some hours agonizing over the problem. What is really helping me at this stage is seeing uses of @ and &, for example. I can usually figure out the correct verbs - stringing them together is causing me most of my difficulties.
The link to the Essay on Divisors was most helpful. AHS ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
