It is fun to see how much I can learn about an implementation without looking at the code. First, function evaluation runs in descending sequence. Second, 0 appears to be special cased, although that could be in system supplied code.
Paul 1 o. 0 9 |NaN error | 1 o.0 9 1 o. 9 0 |NaN error | 1 o.9 0 1 o. 9 1 0.412118 0.841471 1 o. 1 9 |NaN error | 1 o.1 9 Paul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
