2 1 4Date Page Divergence demnotes the magnitude of change - it is a scalaus. as at the point indicated , initial flow is some a final flow . Hence divergeande is 0. he cell of a vector field denotes the concunt of cofution of the Contents in the Space . from the diagram, if is clear that the rogation is not 0 It is in em clockwise lisuction about the point indicated . from the wight hand themmb guide , it points out of the page