* Finite Different Time Domain (FDTD) method
* ShootShooting-and-BounceBouncing-Rays (SBR) method
* Finite Difference (FD) method solution of electrostatic, magnetostatic and steady-state thermal Laplace/Poisson equations
* Mixed Potential Integral Equation (MPIE) method for multilayer planar structures also known as Planar method of Moments (PMOM)