How about a single equation instead ? http://www.av8n.com/physics/maxwell-ga.htm http://www.av8n.com/physics/maxwell-ga.htm (or even just equations (3), which

How about a single equation instead ? http://www.av8n.com/physics/maxwell-ga.htm http://www.av8n.com/physics/maxwell-ga.htm (or even just equations (3), which make symmetries more apparent)