The M500 Society exists to promote the study and enjoyment of mathematics especially, but not exclusively, for Open University mathematics students. Its major activities are:
- Mathematics Revision Weekend
- The Recreational Mathematics Weekend held in January
- The M500 Mathematics Magazine
Details of the M500 Magazine, some back copies and information about how to contribute may be found on the Magazine page. Members of the Society receive copies of the M500 Magazine, and get discounts on Weekend prices and information about events.