Terms
Divergence

A property of a vector field that measures its tendency to move away from a
given point.
Curl

A property of a vector field that indicates the amount and direction of
rotational motion in the field.
Formula
The divergence of a vector field


Gauss' Theorem

Mathematical equation relating volume and surface integrals using the
divergence of a given function:
F
·da = div
F
dv

The curl of a vector field

curl
F
=
 ,  , 

Stokes' Theorem

Mathematical equation relating line and surface integrals using the curl of
a given function:
F
·ds = curl
F
·da

Equation for the line integral of a closed loop in a magnetic field

B·ds =

Equation for the curl of any magnetic field

curl
B =

Equation for the divergence of any magnetic field

div
B = 0
