Hello,
_. does not mix well with logical operators. The following hang and use a lot of CPU on J 9.03 (Windows and Linux): 1 +. _. 1 *. _. +. / 8 0 _. Note, that I have no particular use for these sentences, I just stumbled across them due to a bug in my program. Philip ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
