__ 1675: __Gottfried Leibniz writes the integral sign ∫ in an unpublished manuscript, introducing the calculus notation that's still in use today.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 ...

If you have read Neal Stephenson’s Quicksilver—the first volume of his Baroque Cycle (2003)—you will remember the smell of the age he recreates: Wet ink, gossip, gunpowder, and the new arrogance of ...

Among his many achievements, Gottfried Leibniz (1646–1716) invented differential calculus independently of Isaac Newton; much of the notation and vocabulary used today comes from Leibniz, who ...

When doing complex calculations in school, we have fond memories of using a calculator. The credit for this goes to Gottfried Leibniz. Gottfried Leibniz was a renowned German polymath, known as the ...

Earlier this year, [Dan Maloney] went inside mechanical calculators. Being the practical sort, [Dan] jumped right into the Pascaline invented by Blaise Pascal. It couldn’t multiply or divide. He then ...

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 __1675: __Gottfried Leibniz writes the integral sign ∫ in an unpublished manuscript, introducing the calculus notation that's still in use today.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 ...