__ 1675: __Gottfried Leibniz writes the integral sign ∫ in an unpublished manuscript, introducing the calculus notation that's still in use today. Leibniz was a German mathematician and philosopher ...
Go to updated and illustrated post. __1675: __Gottfried Leibniz writes the integral sign ∫ in an unpublished manuscript, introducing the calculus notation that's still in use today. Leibniz was a ...
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