This month's “Delving Deeper” brings you two investigations.
Marshall Lassak, firstname.lastname@example.org, teaches at Eastern Illinois University, Charleston, IL 61920, and enjoys working with future teachers, problem solving, and finding appropriate ways to use technology to explore and teach mathematics.
Brad Heller is a first-year teacher at Rantoul Township High School, Rantoul, IL. He enjoys problem solving and recreational mathematics.
Steven Siegel, email@example.com, is an associate professor of mathematics at Niagara University, Niagara, NY 14109, where he has been teaching since 1964. He enjoys learning and discovering new things and solving mathematical problems and chess puzzles.