Leibniz’s Stepped Reckoner, and a clock for the next 10,000 years
by Charlie Huenemann In 1671, in some letters exchanged with the French mathematician Pierre de Carcavy, Leibniz mentioned his plans to create a calculating machine. Apparently, he had been inspired by a pedometer, probably thinking that if machines could count, they could then calculate. Within a couple of years, he hired a craftsman build a…