* Finite Different Time Domain (FDTD) method
* Shoot-and-Bounce-Rays (SBR) method
* Physical Optics (PO) method: Geometrical Optics - Physical Optics (GO-PO) method and Iterative Physical Optics (IPO) emthod method
* Mixed Potential Integral Equation (MPIE) method for multilayer planar structures also known as [[Planar Method of Moments|Planar method of Moments]] (PMOM)
* Wire Method of Moments (WMOM) based on Pocklington integral equation