French Blaise Pascal invented the calculator. He did this to help his dad who was a tax adjuster. Then Gottfried Leibnitz improved on Pascal idea with a machine that would add, subtract, multiply, and divide.
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who invented the first mechanical digital calculator
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Pascal,a great French Scientist invented the calculator.
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The very first calculator ever used could be an abicus, an electronic calculator, or even your brain. The first calculator invented was the abacus.