Corrected: This story has been updated to reflect Ralph Pantozzi’s full statement. Corrected: A previous version of this story misstated the location of Kent Place School. It is located in Summit, N.J ...

In the Idea of Limits video, we introduce the idea of limits and discuss how it underpins all of the major concepts in calculus. In the Limit Laws video, we introduce the limit laws and discuss how to ...

A couple of years ago, Kelly Spoon decided to experiment with her assessment practices. A number of instructors in the math department at San Diego Mesa College, where she's a professor, had started ...