section_heading: Maxwellove diferencijalne jednadžbe
paragraph_text: \nabla \cdot \mathbf{E} &= 0 \quad & \nabla \times \mathbf{E} &=             -\frac{\partial\mathbf H}{\partial t}, \\ \nabla \cdot \mathbf{H} &= 0 \quad & \nabla \times \mathbf{H} &= \frac{1}{c^2} \frac{\partial\mathbf E}{\partial t}. \end{align}</math>