ARTICLES
René Descartes' Curve-Drawing Devices: Experiments in the Relations Between Mechanical Motion and Symbolic Language
by David Dennis
Knight's Tours on a Torus
by John J. Watkins and Rebecca L. Hoenigman
Thales Meets Poincaré
by David E. Dobbs
NOTES
"Persian" Recursion"
by Anne M. Burns
Another Proof of Pick's Area Theorem
by Christian Blatter
A New Proof of the Formula for the Number of 3 x 3 Magic Squares
by Miklós Bóna
Bell's Conjecture
by J. D. Memory
Can One Load a Set of Dice So That The Sum is Uniformly Distributed?
by Guantao Chen, M. Bhaskara Rao, and Warren E. Shreve
Students Ask the Darnedest Things: A Result in Elementary Group Theory
by Steve Benson
Proof Without Words: Sums of Squares
by I. A. Sakmar
On Groups of Order p2
by Achilleas Sinefakopoulos
The Relation Between the Root and Ratio Tests
by David Cruz-Uribe, SFO
Another Proof of the Fundamental Theorem of Algebra
by Daniel J. Velleman
On the Differentiability of and
by Paul Fishback, Nicholas Ceglarek, and Tobias Moleski
Professor Fogelfroe
by Kenneth Kaminsky
PROBLEMS
Proposals 1524 -1528
Quickies 865-867
Solutions 1499-1503
Answers 865-867
REVIEWS
NEWS AND LETTERS
USA and International Mathematical OIympiads