9.7		Modern and non-Euclidean geometry

Finite Euclidean Geometries of Order p, Hilda Duncan and David Emery, 8:1, 1977, 4-10
The Motion Geometry of a Finite Plane, Tom Brieske and Johnny Lott, 9:4, 1978, 259-260
Convex Coordinates, Probabilities, and the Superposition of States, J. N. Boyd and P. N. Raychowdhury, 18:3, 1987, 186-194, 4.2
On the Radial Packing of Circles in the Plane, P. D. Weidman and K. Pfendt, 21:2, 1990, 112-120, 0.4
Two Trisectrices for the Price of One Rolling Coin, Jack Eidswick, 24:5, 1993, 422-430, 0.3, 0.4
Investigating Circles in the Poincare Disk Using Geometer's Sketchpad, Bill Juraschek, 25:2, 1994, 145-154
FFF #82. Why Wiles' Proof of the Fermat Conjecture is False, Ed Barbeau, 25:5, 1994, 434-435, F, 9.3
Kepler, the Taxicab Metric, and Beyond: An Isoperimetric Primer, Lawrence J. Wallen, 26:3, 1995, 178-190
The Moise Plane, James R. Boone, 27:3, 1996, 182-185, 0.3
Capturing the Origin with Random Points: Generalizations of a Putnam Problem, Raph Howard and Paul Sisson, 27:3, 1996, 186-192, 7.2
Polishing the Star, Cheng-Syong Lee, 29:2, 1998, 144-145, C
Making Squares from Pythagorean Triangles, Charles Jepsen and Roc Yang, 29:4, 1998, 284-288, 9.3
Prelude to Musical Geometry, Brian J. McCartin, 29:5, 1998, 354-370, 0.3, 9.4
The Asymmetric Propeller, Martin Gardner, 30:1, 1999, 18-22
Several Sets of n+1 Shapes, Each the Similitude Union of the Other n, Allen J. Schwenk, 30:2, 1999, 112-117
Relating Geometry and Algebra in the Pascal Triangle, Hexagon, and Cuboctahedron II,  Peter Hilton and Jean Pedersen, 30:4, 1999, 279-292, 3.2
Folding Stars, Yuanqian Chen and Charles Waiveris, 30:5, 1999, 370-378, 0.4
Contumacious Spheres, Larry Grove and Olga Yiparaki, 31:1, 2000, 35-41
A Picture for Real Arithmetic, Paul Fjelstad and Peter Hammer, 31:1, 2000, 56-60, C
Introducing Hyperbolicity via Piecewise Euclidean Complexes, Jessica Benashaski, John Meier, Kevin OÕBrien, Paige Reinheimer and Margaret Skarbek, 31:3, 2000, 213-217, C
The Asymmetric Propeller Revisited, Gillian Saenz and Chris Jackson and Ryan Crumley, 31:5, 2000, 347-349, 0.4
A Variety of Triangle Inequalities, Herbert Bailey and Yanir Rubinstein, 31:5, 2000, 350-355, 9.5
Straightedge Constructions: Given a Parabola, Peter Y. Woo, 31:5, 2000, 362-372
Conformality, the Exponential Function, and World Map Projections, Timothy G. Feeman, 32:5, 2001, 334-342, 9.8
Classifying Frieze Patterns Without Using Groups, sarah-marie belcastro and Thomas C. Hull, 33:2, 2002, 93-98
Nine Cubits or Simple Soma, Richard K. Guy and Marc M. Paulhus, 33:3, 2002, 188-195, 9.2
Mathematics in Music: Mobius Strip, Sally Picciotto, 33:3, 2002, 214, C
Constructing a Poincare Line with Straightedge and Compass, David Hecker, 34:5, 2003, 362-366, 0.3
On Determining the Non-Circularity of a Plane Curve, Lane F. Burgette and Russell A. Gordon, 35:2, 2004, 74-83, 5.1.3, 5.2.8
HeronÕs Area Formula: What About a Tetrahedron?, Reuben Hersh, 35:2, 2004, 112-114, 0.2, 0.4
When Is EulerÕs Line Parallel to a Side of a Triangle?, Wladimir G. Boskoff and Bogdan D. Suceava, 35:4, 2004, 292-296, 0.3
Revisiting Spherical Trigonometry with Orthogonal Projectors, Sudipto Banerjee, 35:5, 2004, 375-381, 9.8
How To View A Flatland Painting, Mark Schlatter, 37:2, 2006, 114-120, 0.4
Folding Beauties, Leah Wrenn Berman, 37:3, 2006, 176-186, 0.5, 5.6.1
NewtonÕs Method and the Wada Property: A Graphical Approach, Michael Frame and Nial Neger, 38:3, 2007, 192-204, 6.3, 9.5
The Normals to a Parabola and the Real Roots of a Cubic, Manjinder S. Bains and J. B. Thoo, 38:4, 2007, 272-277, 0.4, 0.5
Student Research Project: From Cyclic Sums to Projective Planes, Roger Zarnowski, 38:4, 2007, 304-308, 9.3
Commensurable Triangles, Richard Parris, 38:5, 2007, 345-355 (see also correction 39:5, 2008, 386)
The Right Right Triangle on the Sphere, William Dickinson and Mohammad Salmassi, 39:1, 2008, 24-33, 0.3
Universal Stoppers Are Rupert, Richard P. Jerrard and John E. Wetzel, 39:2, 2008, 90-94, 0.3
Proof Without Words: CarnotÕs Theorem for Acute Triangles, Claudi Alsina and Roger B. Nelsen, 39:2, 2008, 111, C, 0.3
From Mixed Angles to Infinitesimals, Jacques Bair and Valerie Henry, 39:3, 2008, 230-233, C, 9.5
The Perimeter of a Polyomino and the Surface Area of a Polycube, Wiley Williams and Charles Thompson, 39:3, 2008, 233-237, C, 0.3
Designing a Table Both Swinging and Stable, Greg N. Frederickson, 39:4, 2008, 258-266, 0.3
Sets That Contain Their Circle Centers, Greg Martin, 39:5, 2008, 357-366, 9.8