0.5 Conic sections A Simple Proof of the Reflection Property for Parabolas, R. H. Cowen, 7:2, 1976, 59-60, C, 5.1.3 Three-D Pictures from Your Computer-Linked Plotter, Charles John Acker and Joe Frank Allison, 9:5, 1978, 303-308 An Ellipse Problem Beyond the Reach of Calculus, Ivan Niven, 10:3, 1979, 162-168, 0.6 Stories in Combinatorial Geometry, Ross Honsberger, 10:5, 1979, 344-347, 3.2 The Curve Parallel to a Parabola is not a Parabola: Parallel Curves, F. Max Stein, 11:4, 1980, 239-246, 0.7 An Analytic Geometry Approach to the Least Squares Line of Best Fit, Stewart Venit and Richard Katz, 11:4, 1980, 270-272, 7.3 Conic Section or Degenerate FormÑA Simple Test, Stewart Venit, 11:5, 1980, 316-319 Generalized Cycloids: Discovery via Computer Graphics, Sheldon P. Gordon, 13:1, 1982, 22-27 Chords of the Parabola, Herb Holden, 13:3, 1982, 186-190 Roots of Polynomials and Loci, Ali R. Amir-Moez, 14:4, 1983, 313-317, 5.6.1 Ellipses from a Circular and Spherical Point of View, Alden R. Partridge, 14:5, 1983, 436-438, 0.3 Deriving the Equations of the Ellipse and Hyperbola, John C. Huber and Joseph Wiener, 15:1, 1984, 58-59, C Reflection Property of the Ellipse and the Hyperbola, Michael K. Brozinsky, 15:2, 1984, 140-142, C Geometric Procedures for Graphing the General Quadratic Equation, Duane W. DeTemple, 15:4, 1984, 313-323, 0.7 Constructing the Foci and Directrices of a Given Ellipse, Charles G. Moore, 16:2, 1985, 122-128 Area of a Parabolic Region, R. Rozen and A. Sofo, 16:5, 1985, 400-402, C, 5.2.6 A Pretrigonometry Proof of the Reflection Property of the Ellipse, Zalman P. Usiskin, 17:5, 1986, 418, C, 0.4 FFF #4. Area of an Ellipse, Ed Barbeau, 20:2, 1989, 132-133, F, 5.6.1 (also 20:3, 1989, 227) To View an Ellipse in Perspective, Charles G. Moore, 20:2, 1989, 134-136, C, 0.4 Moire Fringes and the Conic Sections, M. R. Cullen, 21:5, 1990, 370-378, 5.7.1 Single Equations Can Draw Pictures, Keith M. Kendig, 22:2, 1991, 134-139, C, 0.4, 5.1.5, 5.6.1, 5.6.2 A Carpenter's Ellipse, Elliot Winston, 22:4, 1991, 311-312, C Stacking Ellipses, Richard E. Pfiefer, 22:4, 1991, 312-313, C Visualization of Limits and Limits of Visualization: Student Research Projects, Lee H. Minor, 23:1, 1992, 48-51, 0.4, 5.1.3 Rotation of AxesÑNot Just for Conics, Steven Schonefeld, 23:5, 1992, 418-425, 5.6.1 FFF #59. A Puzzling Graph, Richard L. Francis, 24:1, 1993, 63, F (also 25:3, 1994, 224-225) Stacking EllipsesÐRevisited, Calvin Jongsma, 24:5, 1993, 453, C Tangents to Conics, Eccentrically, Frederick Gass, 25:1, 1994, 43-45, C, 0.3 Isaac Newton: Credit Where Credit Won't Do, Robert Weinstock, 25:3, 1994, 179-192, 2.2, 5.1.3, 5.4.3, 5.6.1 Newton's Orbit Problem: A Historian's Response, Curtis Wilson, 25:3, 1994, 193-200, 2.2, 6.4 In Defense of Newton: A Physicist's View, A. P. French, 25:3, 1994, 206-209, 2.2, 5.6.1 Newton's Principia and Inverse-Square Orbits, N. Nauenberg, 25:3, 1994, 212-221, 2.2, 6.4, 6.5 Robert Weinstock's Response to Nauenberg, Robert Weinstock, 25:3, 1994, 221-222, 2.2 Cutting Corners: A Four-gon Conclusion, S. C. Althoen and K. E. Schilling and M. F. Wyneken, 25:4, 1994, 266-279, 0.4, 9.5 Functions of a Curve: Leibniz's Original Notion of Functions and Its Meaning for the Parabola, David Dennis and Jere Confrey, 26:2, 1995, 124-131, 0.3, 2.2 Cylinder and Cone Cutting, Michael R. Cullen, 28:2, 1997, 122-123, C Doughnut Slicing, Wolf von Ronik, 28:5, 1997, 381-383, C, 5.6.2 Construction Without Words: Focus and Directrix, Michel Bataille, 30:3, 1999, 212, C The Average Distance of the Earth from the Sun, David Deever, 30:3, 1999, 218-220, C, 5.2.3, 5.2.8 A Quick Construction of Tangents to an Ellipse, Arthur Segal, 31:2, 2000, 131, C Elliptical Tangents, I, Barnabas Hughes, 32:1, 2001, 69, C Elliptical Tangents, II, J. Chris Fisher, 32:1, 2001, 69-70, C Miscellanea: Tangents to an Ellipse, David Bloom, 32:4, 2001, 317-318, C Miscellanea: The Center of an Ellipse, Sidney Kung, 32:4, 2001, 318, C Using Differential Equations to Describe Conic Sections, Ranjith Munasinghe, 33:2, 2002, 145-148, C, 6.4 The Eccentricity of a Conic Section, Ayoub B. Ayoub, 34:2, 2003, 116-121 The Tangent Lines of a Conic Section, Daniel Wilkins, 34:4, 2003, 296-303, 9.5 Intersections of Tangent Lines of Exponential Functions, Timothy G. Feeman and Osvaldo Marrero, 36:3, 2005, 205-208, 5.1.3, 5.3.2 ArchimedesÕ Quadrature of the Parabola: A Mechanical View, Thomas J. Osler, 37:1, 2006, 24-28, 5.2.6 Folding Beauties, Leah Wrenn Berman, 37:3, 2006, 176-186, 5.6.1, 9.7 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, 9.7 NewtonÕs Method and the Golden Ratio, Gary Ling, 38:5, 2007, 355, C Conic Sections from the Plane Point of View, Sidney H. Kung, 38:5, 2007, 383-384, C, 0.4 Proof Without Words: The Volume of an Ellipsoid via CavalieriÕs Principle, Sidney H. Kung, 39:3, 2008, 190, C, 5.2.7