9.8 Topology and differential geometry One-Sided Surfaces and Orientability, John W. Woll, Jr., 2:1, 1971, 5-18 On the Use of Functions, William E. Hartnett, 3:2, 1972, 25-28, 9.5 Approximations of Square Roots, Leon Wejntrob, 14:5, 1983, 427-430, 0.2, 0.7 The Fractal Geometry of Mandelbrot, Anthony Barcellos, 15:2, 1984, 98-114, 0.4 Antoine's Necklace or How to Keep a Necklace From Falling Apart, Beverly L. Brechner and John C. Mayer, 19:4, 1988, 306-320 Looking at the Mandelbrot Set, Mark Bridger, 19:4, 1988, 353-363, 9.5 FFF #33. A Topological Spoof, Ed Barbeau, 22:1, 1991, 41, F (also 22:5, 1991, 405) Zorn's Llama (cartoon), David Egley, 22:3, 1991, 234, C FFF. The Continuum Hypothesis, Ed Barbeau, 24:4, 1993, 346, F Independence of Path and All That, Robert E. Terrell, 27:4, 1996, 272-276, 5.7.3 Mobius or Almost Mobius, Cliff Long, 27:4, 1996, 277, C Visualizing the Geometry of Lissajous Knots, John Meier and Jessica Wolfson, 28:3, 1997, 211-216, 5.6.1 Numerically Parametrizing Curves, Steven Wilkinson, 29:2, 1998, 104-119, 5.6.1, 5.6.2 Looking at Order of Integration and a Minimal Surface, Thomas Hern and Cliff Long and Andy Long, 29:2, 1998, 128-133, 5.7.2 Normal Lines and Curvature, Kirby C. Smith, 31:1, 2000, 54-56, C, 5.1.3