Where did you top out in math--algebra, geometry, something else? Mitchell Jackson and a lot of people he knew had to perform something called "survival math:" quick calculations to figure what it would take to survive a confrontation in a tough neighborhood.
Jackson tells the story in his memoir Survival Math: Notes on an All-American Family.
He joined us last year for an interview in our segment The Keenest Observers, with Rob Goodwin. We revisit the interview here.