Did you know . . . • Ancient cultures measured time accurately with water clocks? • An engineer in the first century B.C. designed an odometer to calculate

Computer: A History of the Information Machine traces the history of the computer and shows how business and government were the first to explore its unlimited,

Discusses the methods of computation developed in various civilizations around the world, from prehistoric times up until the end of the Roman Empire.

Describes the mathematical technology used by ancient societies, covering techniques used for counting, measurements, weights, time, and calculations, including

A strikingly illustrated overview of the computing machines that have changed our world—from the abacus to the smartphone—and the people who made them, by t