On Fri, Feb 12, 2010 at 2:17 AM, Alex Gian <[email protected]> wrote: > How would I go about, then, making an nPr verb, where nPr is nCr * r! > can anyone suggest how I do it in a single step?
There's a third solution by the way, which doesn't rely on the (!) verb, and might actually be simpler. 14 */@(-i.) 3 2184 Ambrus ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
