No calculators. No textbooks. Just a pencil and paper. Here’s the problem: “Given that A,B and C are non-collinear points in the plane with integer coordinates such that the distances AB, AC and BC ...

Every year, thousands of college students from across the U.S. and Canada give up a full Saturday before finals begin to take a notoriously difficult, 6-hour math test — and not for a grade, but for ...

When Ayush Tibrewal ’26 and William Ning ’26 meet for weekly Putnam Seminars, the discussions are as much about camaraderie as they are about cracking problems. Yalies, including Tibrewal and Ning, ...