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.
| Date | Speaker | Topic | Mentors |
| Jan 28, 2024 | Pooja Joshi | Vectors in Geometry (handout) | Israel Fulton, Sydney Mayer, Vedul Palavajjhala |
| Feb 4, 2024 | Prof. Greg Knese | Steps vs Squares and Continued Fractions (handout) | Israel Fulton, Heidi Tamm |
| Feb 11, 2024 | Prof. Mladen Wickerhauser | Pigeons and Rams(ey) (handout) | Vedul Palavajjhala, Carlee Auld, Gavin John |
| Feb 18, 2024 | Devin Akman | Elliptic Curves (handout) | Sydney Mayer and Heidi Tamm |
| Feb 25, 2024 | Dr. Silas Johnson | ARML Power Contest | Vedul Palavajjhala, Sydney Mayer, Carlee Auld |
| Mar 3, 2024 | Dr. Blake Thorton | The Island of the Blue Eyed Islanders | |
| Mar 10, 2024 | Ricardo J. Acuna | Equivalence relations (handout) | |
| Mar 24, 2024 | Prof. Matt Kerr | Of Cattle and Cryptanalysis (handout) | Nathan Johnson, Sydney Mayer |
| Mar 31, 2024 | Prof. Martha Precup | Mathematical Games | Nathan Johnson, Sydney Mayer |
| Apr 7, 2024 | Prof. Nan Lin | Purple Comet Math Meet | Aaron Lin |
| Apr 14, 2024 | Dr. Silas Johnson | Bidding Games (handout) | Nathan Johnson, Sydney Mayer |
| Apr 21, 2024 | Prof. Xiang Tang | Cubic Roots and Diophantine Approximation | Nathan Johnson |
Important dates for math competitions
AMC8: Jan 18 – 24, 2024
MATHCOUNTS:
- 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