First mechanical calculator German inventor Wilhelm Schickard invents the first mechanical calculator. Records detailing the machine's workings were lost during the Thirty Years' War. When completed two years later, the machine can add and subtract numbers up to eight digits long.
Pascal later becomes an esteemed mathematician and philosopher.
Liebniz builds calculator German philosopher and mathematician Gottfriend Liebniz builds a working model of a calculating machine using gears and rods. His machine, called the Stepped Reckoner, can multiply, divide, and calculate square roots. All rights reserved.