Printed Book
The Computer Age
Since earliest times human beings have used numbers. Even the most primitive tribes made complex calculations that were needed for agriculture, trade, and navigation. Devices to help with such calculations began with the prehistoric use of stone counters and progressed with the abacus.rnNot until the seventeenth century did German and French tinkerers invent a better instrument, the first adding machine that functioned with interlocking cogs and wheels. In the nineteenth century, Englishman Charles Babbage designed a steam-powered machine that could calculate square roots, cube roots, and other exponential functions. Although Babbage never developed this Analytical Engine" beyond the model stage
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