Math

Moral hazard?

“You learn something new every day of your life,” my dad used to say to me. He was right, of course. A week ago I learned a concept that is, apparently, familiar to economists and philosophers but was for some… Read More ›

Feedback from 46 years ago

Going through some old papers, I came across a summary of student feedback from Relations & Functions, a course I team-taught at Lincoln-Sudbury (L–S). This was more-or-less equivalent to today’s Honors Precalculus, and it’s instructive to consider the similarities and… Read More ›

Awesome!

I can’t help keeping track. Four restaurant meals ago, at the Menotomy Grill, our young server said “Awesome!” four times during our meal. I foolishly thought that would be some kind of record. Lower Mills Tavern was better: just two… Read More ›

The golden meanie

Fellow math nerds: check out Sandra Boynton’s pet, Fibonacci. Of course he’s a golden meanie: She describes him thus: The Golden Meanie is a mythical beast of pleasing proportions but unpleasant temperament. Oh well. You can’t have everything.  

Thinking (back) about Trig?

Why did somebody recommend to me a blog called A Portrait of a Math Teacher as an Aging Man? Are they trying to tell me something? I’m not sure that I should be thrilled about that 😀. Nevertheless, the recommended blog… Read More ›

τ > π.

Happy Tau Day! Argh, I was supposed to post this yesterday, of course. If you don’t know what tau (τ) is, I could just tell you that it’s C/r, which is approximately 6.28, hence 6/28 is Tau Day. But that… Read More ›