PX275 - E1a - stokes' theorem

\oint_{C} \vec{F} \cdot d \vec{r} = \iint_{R} (\vec{\nabla} \times \vec{F}) \cdot d \vec{A}

\oint_{C} \vec{F} \cdot d \vec{r} = \iint_{S} (\vec{\nabla} \times \vec{F}) \cdot d \vec{s}