5.7.3 Line and surface integrals and vector analysis Tangent Vectors and Orthogonal Projections, Jerry Johnson, 24:3, 1993, 259-262, C Knots about Stokes' Theorem, Michael C. Sullivan, 27:2, 1996, 119-122, C Independence of Path and All That, Robert E. Terrell, 27:4, 1996, 272-276, 9.8 Eigenpictures and Singular Values of a Matrix, Peter Zizler and Holly Fraser, 28:1, 1997, 59-62, C, 4.5 The Band Around a Convex Set, Junpei Sekino, 32:2, 2001, 110-114 The Sun, The Moon, and Convexity, Noah Samuel Brannen, 32:4, 2001, 268-272, 5.6.1 Why the MoonÕs Orbit is Convex, Laurent Hodges, 33:2, 2002, 169-170, C, 5.6.1 The Murder Mystery Method for Determining Whether a Vector Field is Conservative, Tevian Dray and Corinne A. Manogue, 34:3, 2003, 228-231, C Using Differentials to Bridge the Vector Calculus Gap, Tevian Dray and Corinne A. Manogue, 34:4, 2003, 283-290 A Non-Smooth Band Around a Non-Convex Region, J. Aarao, A. Cox, C. Jones, M. Martelli, and A. Westfahl, 37:4, 2006, 269-278, 5.1.1, 9.8 As the PlanimeterÕs Wheel Turns: Planimeter Proofs for Calculus Class, Tanya Leise, 38:1, 2007, 24-31 Which Way Is Jerusalem? Navigating on a Spheroid, Murray Schechter, 38:2, 2007, 96-105, 9.8 An Improper Application of GreenÕs Theorem, Robert L. Robertson, 38:2, 2007, 142-145, C, 5.2.10 The Right Theta, William Freed and Athanasios Tavouktsoglou, 39:2, 2008, 148-152, C (see also The Historical Theta Formula, R. B. Burckel and Zdislav Kovarik, 39:3, 2008, 229), 0.6, 5.3.1