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The College Mathematics Journal is designed to enhance classroom learning and stimulate thinking regarding undergraduate mathematics. CMJ publishes articles, short Classroom Capsules, problems, solutions, media reviews and other pieces. All are aimed at the college mathematics curriculum with emphasis on topics taught in the first two years.

Publisher: Mathematical Association of America

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Volume 43, Number 4, September 2012

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Free Content Front Matter
pp. i-iii(3)

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Ben-Hur Staircase Climbs
pp. 274-284(11)
Authors: Dodge, John; Simoson, Andrew

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The Hyperbolic Sine Cardinal and the Catenary
pp. 285-290(6)
Author: Sáanchez-Reyes, Javier

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Vi`ete's Product Proved in the Finest Ancient Style
pp. 291-296(6)
Authors: Ciaurri, Óscar; Fernández, Emilio; Larrea, Rodolfo; Roncal, Luz

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Counting Triangles to Sum Squares
pp. 297-303(7)
Author: Demaio, Joe

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Teaching Tip: Are You Changing the Rules? Again?
pp. 304-304(1)
Author: Rice, Theodore

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Viviani Polytopes and Fermat Points
pp. 309-312(4)
Author: Zhou, Li

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A Strong Kind of Riemann Integrability
pp. 313-321(9)
Author: Thomson, Brian S.

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Proof Without Words: Partial Sums of an Arithmetic Sequence
pp. 321-321(1)
Author: Crachiola, Anthony J.

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Extending the Alternating Series Test
pp. 325-330(6)
Author: Katsuura, Hidefumi

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Series that Converge Absolutely but Don't Converge
pp. 331-333(3)
Authors: Kantrowitz, Robert; Schramm, Michael

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Two Semigroup Elements Can Commute with Any Positive Rational Probability
pp. 334-336(3)
Authors: Ponomarenko, Vadim; Selinski, Natalie

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Problems and Solutions
pp. 337-344(8)

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Media Highlights
pp. 345-352(8)

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Free Content Back Matter
pp. iv

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Full Issue
pp. 274-352(79)

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