- Math Circle Diaries, Year 1: A Complete Curriculum
- by Anna Burago
The math circles tradition comes from the Eastern Europe.
From the “History of the American Math Circle Experience ”:
From James Tanton, “Math Circles and Olympiads”:
You can read more about US math circles at the National Association of Math Circles web site.
The Prime Factor was officially created in Summer 2010. It is a direct spin-off from the Northwest Academy of Sciences (an organization that hosts the existing system of the volunteer-run math circles and hosts the local chapter of the Math Kangaroo competition). The idea behind the creation of Prime Factor is to expand the network of Math Circles that are available to Seattle area students.