http://www.jsoftware.com/jwiki/Doc/J4APL
The document claims this: newton=. -:@(+ 2e4&;%) newton newton newton 1 2502.62 However, as you can tell, it won't work in current j version. newton 1 |domain error: newton | newton 1 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
