Through these calculus activities, students reach an understanding of the formal limit concept in a way that enables them to construct the formal symbolic definition on their own.
Beth Cory, firstname.lastname@example.org, is an assistant professor of mathematics at Sam Houston State University in Huntsville, Texas, where she teaches mathematics content courses for future teachers. Her interests include using technology to enhance students' understanding of calculus concepts.
Ken W. Smith, email@example.com, is a professor of mathematics at Sam Houston State University. He directs undergraduate research in algebraic combinatorics and is especially interested in anything that helps young adults see (and catch) the excitement of mathematical investigation.