Lester I. McCann

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1 Computer Science Department, University of Wisconsin Parkside, 900 Wood Road, P.O. Box 2000, Kenosha, WI 53141-2000 [mccann at uwp.edu] Abstract Division is the most intellectually challenging of the basic operators of relational algebra. Although its utility is unquestioned, its presentation by many textbooks, and therefore by many instructors, leaves(More)
The efficiency of Internet search engines has made it trivial for students to find implementations of standard algorithms. This fact has led computer science educators to be more creative with their assignments to encourage students to create their own implementations. Unfortunately, excessive creativity can obscure learning objectives, particularly for(More)
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