ARTICLES
Beholding a Rotating Beacon
by Irl Bivens and Andrew Simoson
A Historically Focused Course in Abstract Algebra
by Israel Kleiner
Defining Chaos
by Mario Martelli, Mai Dang, and Tanya Seph
NOTES
A Lambda Slaughter
by Dan Kalman
Archimedes' Quadrature of the Parabola Revisited
by Gordon Swain and Thomas Dence
Proof Without Words: Adding Like Sines
by Rick Mabry and Paul Deiermann
Perfectly Odd Cubes
by Steven Kahan
The Square Root of Two Is Irrational: Proof by Poem
by Maurice Machover
Small Denominators: No Small Problem
by Scott J. Beslin, Douglas J. Baney, and Valerio de Angelis
Math Bite: On n 1/n > (n + 1)1/(n + 1) , n 3
by T. S. Nanjundiah
The Randomness of Remainders
by D. A. Moran and B. M. Stewart
Proof Without Words: Area Under a Polygonal Arch
by Philip R. Mallinson
PROBLEMS
Proposals 1544-1548
Quickies 877-879
Solutions 1519-1523
Answers 877-879
REVIEWS
NEWS AND LETTERS
58th Annual William Lowell Putnam Mathematical Competition