Month: November 2011

  • 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 EulerĀ ( 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 […]

  • 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 […]