ARTICLES
Farmer Ted Goes Natural
by Greg Martin
Integer Antiprisms and Integer Octahedra
by Blake E. Peterson and James H. Jordan
Integral Triangles
by Raymond A. Beauregard and E R. Suryanarayan
NOTES
Proof Without Words: The Difference Identity for Tangents
by Fukuzo Suzuki
A Combinatorial Interpretation of a Catalan Numbers Identity
by David Callan
Cones, k-Cycles of Linear Operators, and Problem B4 on the 1993 Putnam Competition
by Selwyn Hollis
Flett's Mean Value Theorem for Holomorphic Functions
by R. M. Davitt, R. C. Powers, T. Riedel, and P. K. Sahoo
Fermat's Little Theorem: A Proof by Function Iteration
by Lionel Levine
The Hexachordal Theorem: A Mathematical Look at Interval Relations in Twelve-Tone Composition
by Steven K. Blau
Euler Convergence: Probabilistic Considerations
by Giorgio Metafune, Diego Pallara, and Carlo Sempi
Proof Without Words: The Product of the Perimeter of a Triangle and its Inradius Is Twice the Area of the Triangle
by Grace Lin
Revisiting an Old Favorite. z(2 m)
by Neville Robbins
Once More: Proportionality in the Non-Euclidean Plane
by Dieter Ruoff
Stacks, Bracketings, and CG-Arrangements
by Stephen G. Penrice
Period Doubling Near the Feigenbaum Limit
by J. D. Memory
PROBLEMS
Proposals 1579-1583
Quickies 893-894
Solutions 1554-1558
Answers 893-894
REVIEWS
NEWS AND LETTERS
Carl B. Allendoerfer Awards 1999
Letters to the Editor