Project Euler

My friend Aaron just pointed me to this site, but I think I’d seen it before, in a less-polished state. Project Euler ( This page has a sequence of 360 challenging math and computing problems. If you sign up for an account, you can track your progress in solving the problems. The problems are not trivial… Continue reading Project Euler

Remembering Mr. Geller

I first met Mr. Geller in the mid-80s when I was a high school student. My Stuyvesant math team friends snuck me into the math team practice one morning, and Mr. Geller was the math team coach. Although he enjoyed a reputation for being quite strict, he made an exception in my case and I… Continue reading Remembering Mr. Geller