Purple Proofby Olympiad4EveryoneLog in

Registerfortheolympiadhere.

Purple Proof is the test platform for Olympiad4Everyone. Sign up for the Thanksgiving Edition here, and you’ll sit Round 1 on this same site.

Register for Round 1Already registered? Log in

Thanksgiving Edition registration is open until Nov 4, 11:59 PM EST

43days
17hours
22minutes
10seconds

Until Round 1A on Saturday, Nov 7 at 12:00 PM EST. Can't make it? Round 1B is the next day at the same time.

Dates, rules and prizes are on the Olympiad4Everyone site.