MATLAB, Python, Spectre, packaging technologies, Ansys HFSS, 3-D EM simulation tools, PowerSI, channel simulations, EM transmission lines, Cadence Clarity, mechanical analysis, microwave theory, Pads, high speed signaling, Hspice, SI-Wave, scripting tools, IC package layout tools, SIwave, APD, Ads, circuit design tools, 3D package development