In 1823 A.D. an English Mathematician (Professor of Mathematics at cambridge University) invented a machine called Difference Engine with machanical memory to store results. After sometime he design a bigger machine, which could comput up to 20 decimal places called Analytical Engine in 1830s. This machine was made to solve differential equations. Since Charles Babbage contributed to develop actual calculating device, he is considered as the Father of Computer. Using the principles of Charles Babbage , about 100 years later. 
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