Thought folks might enjoy this article, http://www.solipsys.co.uk/new/Calculating52FactorialByHand.html?L_20160106 .
Teaser: "I talked about just how many orderings there are for 52 cards. I computed (an approximation to) 52! (52 factorial) by hand. It's not so hard - you just calculate 54! and then divide by 3000." /M ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
