British Mathematical Olympiad Subtrust

Current events:
20–25 February: Romanian Master of Mathematics
(see full calendar for more)

News: IMO 2009 problems (16 July 2009)

The IMO papers were sat on 15 and 16 July; the problems are available.

Previous news item: Mathematical Ashes results (9 July 2009).

Next news item: IMO 2009 results (19 July 2009).