ARTICLES
Liu Hui and the First Golden Age of Chinese Mathematics
by Philip D. Straffin, Jr.
Trisection of Angles, Classical Curves, and Functional Equations
by János Aczél and Claudi Alsina
NOTES
Confusing Clocks
by Ben Ford, Cory Franzmeier, and Richard Gayle
The Steady State Sabbatical Rate
by Allen J. Schwenk
A Quadratic Residues Parlor Trick
by David M. Bloom
Bounding Power Series Remainders
by Mark Bridger and John Frampton
Proof Without Words: Eisenstein's Duplication Formula
by Lin Tan
The Fundamental Theorem of Calculus for Gauge integrals
by Jack Lamoreaux and Gerald Armstrong
Comparing Sets
by Shalom Feigelstock
Inclusion-Exclusion and Characteristic Functions
by Jerry Segercrantz
Proof Without Words: Bijection Between Certain Lattice Paths
by Norbert Hungerbühler
An Antisymmetric Formula for Euler's Constant
by Jonathan Sondow
Triangles with the Same Centroid
by Ayoub B. Ayoub
Editor's Notes
PROBLEMS
Proposals 1549-1553
Quickies 880-882
Solutions 1524-1528
Answers 880-882
REVIEWS
NEWS AND LETTERS
USA and International Mathematical Olympiads
Letter to the Editor