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Lepowsky, William L. – MATYC Journal, 1975
By converting functional equations to cylindrical coordinates, plotting points on cardboard, and connecting these points with thread, one can make three-dimensional string figures illustrating the behavior of functions for which the derivative is not always defined. (SD)
Descriptors: Calculus, College Mathematics, Diagrams, Graphs
Ecker, Michael W. – MATYC Journal, 1981
An examination of a student question concerning a calculus problem leads to a discussion of some of the symmetric properties of a specific set of polynomials. (MP)
Descriptors: Calculus, College Mathematics, Graphs, Higher Education
