longtin

This Sunday, we will look at multiplication modulo 24. Math Circle OnlineSunday May 10th 2026 7pm Look to email for login instructions.

This Sunday, we will continue our investigation of converting multiplication to addition. Math Circle OnlineSunday May 3rd 2026 7pm Look to email for login instructions.

This Sunday, we play a game called Magic Fifteen, and look at the problem of how to diffuse bombs. Math Circle OnlineSunday April 26 2026 7pm Look to email for login instructions.

Please join us for a short Math Circle session where we will play a game called Pop Tac Toe. Math Circle OnlineSunday April 12 2026 7:00pm Look to email for login instructions.

This Sunday, we will turn to a new topic, called Pirate Democracy. Math Circle OnlineSunday March 29 2026 7pm Look to email for login instructions

This Sunday, we continue our investigation we will continue our investigation of More Heads than Tails. If we have time, we will turn to a new topic, called Pirate Democracy. Math Circle OnlineSunday March 22 2026 7pm Look to email for login instructions

Tonight we will have a short Math Circle session, which is appropriate for this time of year. It’s called More Heads than Tails. What happens when you flip a fair coin, and the number of heads exceeds the number of tails? Please bring an actual coin (e.g. a quarter) to the session. Math Circle OnlineSunday …

More Heads than Tails Read More »

Tonight we visit a mathematical magic forest, where there dwell unicorns, elves, and trolls. Math Circle OnlineSunday March 8 2026 7pm Look to email for login instructions.

Having investigated squares on a lattice, we’ll now turn our attention to triangles on a lattice. Math Circle OnlineSunday March 1 2026 7pm Look to email for login instructions.