The first mechanical calculator was invented by a teenager
At just 19, Blaise Pascal invented the Pascaline in 1642, the first mechanical calculator that reliably performed addition and subtraction, revolutionizing computation.
In 1642, a 19-year-old Blaise Pascal invented the Pascaline, the first mechanical calculator. This ingenious device used interlocking dials and gears to reliably perform addition and subtraction, a huge leap from manual counting. Pascal created about 50 copies, primarily to help his tax collector father handle large sums without errors.
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