Necessary Mathematic tools Calculus: Differential Integral include surface integral and volume integral Vector dot product, cross product gradient, divergence, curl and Laplace operator Complex: complex number phase Coordinates transformation Cartesian Cylindrical and Spherical coordinatesNecessary Mathematic tools • Calculus: Differential & Integral include surface integral and volume integral • Vector : dot product, cross product, gradient, divergence, curl and Laplace operator • Complex: complex number & phase • Coordinates transformation :Cartesian, Cylindrical and Spherical coordinates