Invented around 2500 BCE, this was the earliest recognized computing device, helping civilizations manage trade and taxes as societies grew too large for mental math alone.
Introduction to the History of Computing: A ... - Amazon.com Introduction to the History of Computing: A Com...
In 1642, Blaise Pascal invented the Pascaline , a mechanical calculator with gears to help his father, a tax collector, add and subtract. Shortly after, Gottfried Wilhelm Leibniz created the Step Reckoner (1694), which could also multiply and divide. The Visionaries (1800s) Invented around 2500 BCE, this was the earliest
The 19th century shifted focus toward machines that could follow programmed instructions. Invented around 2500 BCE