Martin Luther King's iconic I Have a Dream speech is full of allusions. Let's look at a few: Dr. King's speech (1963) was made 100 years after Lincoln's Emancipation Proclamation (1863) that freed all slaves in rebel territories.
There are a number of commercial packages you can use for such purposes. Comsol multiphysics simulation software is a general purpose physics modelling software package that I belive can deal with electromagnitism. The link to their website is http://www.uk.comsol.com. Ansys is another commercial vendor that provides a electromagnetic physics module. There website is http://www.ansys.com.
Electrical CAD Software. ProfiCAD is designed for drawing of electrical and electronic diagrams, schematics, control circuit diagrams and can also be used for pneumatics, hydraulics and other types of technical diagrams. The easiest CAD for electrical circuits.