The history and the mathematics used by Newton and Leibniz in their invention of calculus. The exploration of this topic is intended to show students that mathematics is a human invention. Suggestions are made to help teachers incorporate the mathematics and the history into their own lessons.
Michelle Cirillo, firstname.lastname@example.org, is a former secondary classroom teacher who is now pursuing her PhD in mathematics education at Iowa State University, Ames, IA 50011. Her research interests include classroom discourse, proof, and the history of mathematics.