The Surprising Joy of Mental Calculation

Like many at age 18, I wasn´t really sold on what to do for a career. What I did know, was that I wanted to become completely independent, quickly. My goals for the next few years were to move out of home (asap) and be a uni student. I´d have to work to pay the bills, so I did. Out of several part-time jobs, the best paying was as a gaming room attendant. I spent a few years working various, insane hours. The worst of course was the graveyard shift. This usually started at 7: