Calculus becomes easier, too. As mathematicians Roger Cotes, René Descartes—who coined the term "imaginary number"—and others have observed, complex numbers make seemingly impossible integrals easy to ...

Previously, some mathematicians separated the two sides of an equation with a single line; René Descartes favored a sideways ...

Voronoi diagrams were considered as early as 1644 by philosopher René Descartes and are named after the Russian mathematician Georgy Voronoi, who defined and studied the general n-dimensional case in ...

Calculus becomes easier, too. As mathematicians Roger Cotes, René Descartes—who coined the term "imaginary number"—and others have observed, complex numbers make seemingly impossible ...