Cosby’s Rule: Connecting Summation Operations, Definite Integrals, and the Fundamental Theorem of Calculus
Margaret H. Sloan
August 2010, Volume 104, Issue 1, Page 45
What happened when a student in an AP Calculus class in a small school in rural Georgia discovered a way to bypass some laborious computations.
Calculus and Higher Level Mathematics
Reasoning and Proof