A non-profit foundation for study and research. Publications feature research journals, a student magazine and occasional special volumes.

In finding a new solution to a classic probability problem concerning the collection of items in a set, a new and useful recursive function has been found, the "two-dimensional factorial."

Buffon's Needle simulation and a surprising demonstration of Barbier's theorem about shapes of constant width

Parrondo Paradox simulation and a demonstration of the ratchet effect.

Probability activities and simulations in the form of applets and spreadsheets. This site advocates a Question/Hypothesis/Experiment approach to learning probability.

By Richard Jeffrey. HTML.

Probability theory basics, applications (including to gambling), interpretations, books, free texts.

The introduction, formulas, software, algorithms, equations, problems, and calculations.