Infinite series are known to be challenging for Calculus II students, perhaps because they lack intellectual need for the content. In their analysis of Calculus textbooks found few instances of potential intellectual needs for infinite series. This study combines a textbook analysis with interviews of four professors and observations of their…

Critics of student writing in British lecture courses as "mere rehash of lecture notes" are reminded that (1) by its nature, the lecture course focuses on and is limited to information conveyed in lectures, and (2) professors refuse to use materials such as U.S. textbooks that could supplement the information conveyed in class. (MSE)