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The Babbage Engine
Invented by Charles Babbage at 1822. He designed the computers but failed to build them until 2002. The automatic mechanical calculator designed to tabulate polynomial functions.The name derives from the method of divided differences, a way to interpolate or tabulate functions by using a small set of polynomial coefficients.Most mathematical functions commonly used by engineers, scientists and navigators, including logarithmic and trigonometric functions, can be approximated by polynomials. -
The tabulating machine
Invented by Herman Hollerith.The tabulating machine was an electromechanical machine designed to assist in summarizing information and, accounting.A punch card system to calculate the 1880 census.The machine was developed to help process data for the 1890 U.S. Census.The advantages of the technology were immediately apparent for accounting and tracking inventory.
