The basic operators of vector analysis are the gradient of the scalar field, divergence, and curl of the vector field, and are obtained by the action of the differential operator ∇ (nabla) on scalar and vector fields. The components of the scalar field gradient correspond to the partial derivations of the field in the direction of the associated axes. A gradient is a vector that shows the direction of the steepest increase in a certain value, the value of which changes from one point in space to another. The gradient operator is obtained by the action of the nabla operator ∇ on the scalar field whose gradient is to be determined. The gradient of a scalar field is a vector field. The divergence of a vector field is a scalar field and is obtained as a scalar product (nabla) ∇ and fields. A vector field rotor is a vector field and is obtained as a vector product (nabla) ∇ and vector field. The Laplace or delta operator is defined as the divergence of the gradient and is denoted by ∆ (delta). The three basic operators, necessary for mathematically describing the fundamental physical laws of the world in which we live, are, therefore, gradient, divergence and curl. It is actually a single operator whose action is manifested in three ways depending on the objects on which it acts.