I often think of the years spent doing differential and integral calculus, trignometry, logarithms, and general maths and algebra, and shudder… When I first started work, (1963), I was introduced to slide rules, including Otis rotary ones, but there were no computers or even pocket calculators. Everything had to be done the hard way….. Playing darts was the best way to hone my mental arithmetic however ! Happy days…
Brian
