Here is an interactive Flash-based simulator: http://www.mathsisfun.com/data/quincunx.html Wikipedia (in their infamous editorial fascism) thinks it should be called a "Bean machine". But their article has two good pictures including the Galton patent: http://en.wikipedia.org/wiki/Bean_machine Googling "quincunx" will likely show things that have only 5 spots (as shown at http://en.wikipedia.org/wiki/Quincunx). On 6/13/12, James Propp <jamespropp@gmail.com> wrote:
Dan Asimov rightly points out that I should say what I mean by a Galton board, since some of you may not have heard of it. [...]
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