* Shoot-and-Bounce-Rays (SBR) method
* Finite Difference (FD) method solution of electrostatic and magnetostatic Laplace/Poisson equations
* Mixed Potential Integral Equation (MPIE) method for multilayer planar structures also known as [[Basic_Principles_of_The_Method_of_Moments | Planar Method of Moments|Planar method of Moments]] (PMOM)]]
* Wire Method of Moments (WMOM) based on Pocklington integral equation
* Surface Method of Moments (SMOM) with Adaptive Integration Equation (AIM) accelerator