I like this article on memoization - http://www.agillo.net/getting-groovy-with-fibonacci/ http://www.agillo.net/getting-groovy-with-fibonacci/ The diagrams mak

I like this article on memoization - http://www.agillo.net/getting-groovy-with-fibonacci/ http://www.agillo.net/getting-groovy-with-fibonacci/ The diagrams make it easy to understand. It is in groovy though.