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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 5, November 2012

Free Content Full Issue
pp. i-iii(3)

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A Different Angle on Perspective
pp. 354-360(7)
Author: Frantz, Marc

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Euler's Identity, Leibniz Tables, and the Irrationality of Pi
pp. 361-364(4)
Author: Jones, Timothy W.

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Sometimes Newton's Method Always Cycles
pp. 365-370(6)
Authors: Latulippe, Joe; Switkes, Jennifer

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Proof Without Words: An Alternating Series
pp. 370-370(1)
Author: Nelsen, Roger B.

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The Numerical Range of the Luoshu Is a Piece of Cake—Almost
pp. 371-376(6)
Authors: Trenkler, G¨otz; Trenkler, Dietrich

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Proof Without Words: The Sine Is Subadditive on [0, π]
pp. 376-376(1)
Authors: Fan, Xingya; Zhu, Yixin

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A Fifth Way to Skin a Definite Integral
pp. 377-378(2)
Author: Singh, Satyanand

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Better Than Optimal By Taking A Limit?
pp. 379-386(8)
Author: Betounes, David

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Proof Without Words: Ptolemy's Theorem
pp. 386-386(1)
Authors: Derrick, William; Hirstein, James

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An Optimal Basketball Free Throw
pp. 387-394(8)
Author: Seppala-Holtzman, D. N.

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Winning a Racquetball Match
pp. 395-400(6)
Authors: Brown, Tom; Pasko, Brian

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Idempotents à la mod
pp. 401-404(4)
Author: Sibley, Thomas Q.

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Rational exponentials and continued fractions
pp. 405-407(3)
Author: Denny, J. K. Denny

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Problems and Solutions
pp. 410-419(10)

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Media Highlights
pp. 420-427(8)

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Referees in 2012
pp. 428-429(2)

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Free Content Back Matter
pp. iv-vi(3)

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Full Issue
pp. 354-431(78)

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