Orbits and vector fields

Exotic orbits (the "infinity" and the "pretzel") about two fixed attractive charge centers

Yukawa potential

Yukawa charged shell discontinuity

Line segments in 3D (also available on the e-print arXiv)

Line segments in other D

The shell theorem in electrostatics and Newtonian gravity

Uniform charge superpositions

Uniformly charged circular disk --- in the plane of the disk

Uniformly polarized sphere

Uniformly polarized and magnetized spheres

Energy in Linear Media

Fourier series and transform examples

Green function for grounded sphere

Bessel functions

Plane waves and all that

Cylinder Green functions

Cylinder capacitance

Capacitance of a cube

Vector potentials

Moving ellipsoidal conductors

Time-dependent straight line charge and current

Wire and cone

Scattering from spheres