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: The abacus, used in Mesopotamia as early as 2700–2300 BC, was the world’s first "calculator."
: In 1642, Blaise Pascal invented the Pascaline, a mechanical device that could add and subtract via a series of gears.
What is the ? (students, developers, or math history buffs)
: The abacus, used in Mesopotamia as early as 2700–2300 BC, was the world’s first "calculator."
: In 1642, Blaise Pascal invented the Pascaline, a mechanical device that could add and subtract via a series of gears. The Calculator
What is the ? (students, developers, or math history buffs) : The abacus, used in Mesopotamia as early
