Sandbox

$e^{\pi i}+1=0$

$\nabla \times {\boldsymbol {E}}=-{\frac {\partial {\boldsymbol {B}}}{\partial t}}$

$\nabla \times {\boldsymbol {H}}={\boldsymbol {i}}+{\frac {\partial {\boldsymbol {D}}}{\partial t}}$

$\nabla \cdot {\boldsymbol {B}}=0$

$\nabla \cdot {\boldsymbol {D}}=\rho$

• Section 1

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• Section 2

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