Charles Babbage, a professor of mathematics, developed a machine called Difference Engine in the year 1822. This machine was expected to calculate logarithm tables to a high degree of precision. The difference engine was made to calculate various mathematical functions. The machine was capable of polynomial evaluation by finite difference and its operation was automatic multi stop operation.

The Difference Engine is a calculating machine which could do mathematical computations in an automatic way. It was designed by CharlesBabbage circa 1812 but never completed. An early prototype of the Difference Engine was built by 1822, and Babbage, with the help of the British government, started work on the full machine in 1823. It was intended to be steam-powered and fully automatic, unlike other mechanical calculating machines that required manual operation.

DIFFERENCE ENGINE

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