Write a short note on Blaise Pasca l
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Mathematician Blaise Pascal was born on June 19, 1623, in Clermont-Ferrand, France. In the 1640s he invented the Pascaline, an early calculator, and further validated Evangelista Torricelli's theory concerning the cause of barometrical variations.
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The Pascaline was introduced by Blaise Pascal in 1642. It could add and subtract two numbers.
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