A demo version of this programme is available from the Wiley site and the MaX-1 ETHZ site.
This is a new 2-D version of the MMP technique with a wide range of application including statics, scattering, gratings, antennae, guided waves, resonators and discontinuities.
The full version is: Christian Hafner: MaX-1, A Visual Electromagnetics Platdform for PC's. CD-ROM and Getting Started with MaX-1 Guide. Wiley, Chichester, 1998.