ARTICLES
On Determining the Non-Circularity of a Plane Curve
Lane F. Burgette and Russell A. Gordon
On the Values of Pi for Norms on R2,
J. Duncan, Daniel H. Luecking, and C.M. McGregor
First Order Differential Equations and the Atmosphere
Gerhard Ströhmer
The Old Hats Problem Revisited
Heba Hathout
What Did Lincoln Really Mean?
Paul K. Stockmeyer
An Elementary Resolution of the Liar Paradox
James S. Walker
Heron's Area Formula: What About a Tetrahedron?
Reuben Hersh
Tiling With Dominoes
Nathan S. Mendelsohn
Fallacies, Flaws, and Flimflam
Classroom Capsules
A Generalized Magic Trick from Fibonacci: Designer Decimals
Marjorie Bicknell-Johnson
A Calculus Theorem Motivated by a Statistics Problem
David L. Farnsworth
Combinatorial Proofs via Flagpole Arrangements
Duane DeTemple
Periodic Points for the Tent Function
David Sprows
Problems and Solutions
Student Research Projects
The Growth of Trees
Philip K. Hotchkiss and John Meier
Media HiIghlights