The regular time and place for the circle event is 3:30 pm-5pm every Sunday in Room 199, Cupples I, on the Danforth Campus at Washington University in St. Louis. All sessions are in-person unless otherwise notified. Please see the schedule for Spring 2024 below.

Jan 28, 2024Pooja JoshiVectors in Geometry (handout)Israel Fulton, Sydney Mayer, Vedul Palavajjhala
Feb 4, 2024Prof. Greg KneseSteps vs Squares
and Continued Fractions (handout)
Israel Fulton, Heidi Tamm
Feb 11, 2024Prof. Mladen WickerhauserPigeons and Rams(ey) (handout)Vedul Palavajjhala, Carlee Auld, Gavin John
Feb 18, 2024Devin AkmanElliptic Curves (handout)Sydney Mayer and Heidi Tamm
Feb 25, 2024Dr. Silas JohnsonARML Power ContestVedul Palavajjhala, Sydney Mayer, Carlee Auld
Mar 3, 2024Dr. Blake ThortonThe Island of the Blue Eyed Islanders
Mar 10, 2024Ricardo J. AcunaEquivalence relations (handout)
Mar 24, 2024Prof. Matt KerrOf Cattle and Cryptanalysis (handout)Nathan Johnson, Sydney Mayer
Mar 31, 2024Prof. Martha PrecupMathematical GamesNathan Johnson, Sydney Mayer
Apr 7, 2024Prof. Nan LinPurple Comet Math MeetAaron Lin
Apr 14, 2024Dr. Silas JohnsonBidding Games (handout)Nathan Johnson, Sydney Mayer
Apr 21, 2024Prof. Xiang TangCubic Roots and Diophantine ApproximationNathan Johnson

Important dates for math competitions

AMC8: Jan 18 – 24, 2024


  • Chapter: February 1 – 29, 2024
  • State: March 1 – 31, 2024
  • National: May 12 – 13, 2024

MCTM Middle School Contest:

  • State: March 2, 2024

Purple Comet: April 2 – 11, 2024