Pascal's triangle: Difference between revisions

 

So, for example, the number of ways to choose a poker hand (5 cards from the deck of 52):

 

So <code>!</code> is the mathematical choose function. What of <code>/~@i.</code>? Well, you can think of <code>/~</code> as "table of" and <code>@i.</code> "the first N non-negative integers (i.e. 0 .. N-1)".