Blaise Pascal
The end of counting French philosopher has developed a calculating machines. Will these calculating machines ever replace the finger.
He has created two major new areas of research: projective geometry at the age of 16, and later collaborated with Pierre de Fermat on probability theory, His ideas seem to be strongly influencing the development of modern economics and social science. Like Galileo Galilei and Torricelli, in 1646, he rebutted Aristotle's followers who insisted that nature abhors a vacuum.
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John Napier introduced logarithms as a powerful mathematical tool. With the help of the prominent mathematician Henry Briggs their logarithmic tables embodied a computational advance that made calculations by hand much quicker.[99] His Napier's bones used a set of numbered rods as a multiplication tool using the system of lattice multiplication. The way was opened to later scientific advances, particularly in astronomy and dynamics.