Babbage's first attempt at solving this problem was made in 1822 when he made a machine to calculate differential equations called a Difference Engine. ... One of them was Vannevar Bush (1890 - 1974) who developed a calculator for solving differential equation in 1931. The machine could solve complex differential equations but it was cumbersome due to its hundreds of gears and shafts in order to represent numbers and their relationships. ... This approach would not have existed if it wasn't for work done by George Boole (1815 - 1864) who clarified the binary system of algebra, wh...

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