FreeMat is a free environment for rapid engineering and scientific prototyping and data processing. It is similar to commercial systems such as MATLAB from Mathworks, and IDL from Research Systems, but is Open Source....
I feel that Analog Insydes, Control System Professional, Fuzzy Logic and Signals and Systems are relevant to Electronic Design.
Regardless of experience, engineers and scientists can rapidly and cost-effectively interface with measurement and control hardware, analyze data, share results, and distribute systems.
MLAB is an ideal tool for mathematical and statistical exploration, and for solving simulation and modeling problems such as chemical kinetics, pharmacological compartmental models, etc.
For more than 20 years Adept Scientific has been helping customers collect, analyze, simulate, organize and present data to deliver information and knowledge.
Professor Lotfi Zadeh, the inventor of fuzzy logic, contends that a computer cannot solve problems as well as human experts unless it is able to think in the characteristic manner of a human being.
Maplesoft Tools for Engineering Design “Maple is the essential technical computing software for today’s engineers, mathematicians, and scientists” MapleSim – “Advanced symbolic computing engine comes together with traditional numeric solvers to supercharge the simulation...
Mathematica provides you with the world’s largest collection of algorithms in a single system–each able to operate across the widest applicable scope of numeric, symbolic, or graphical input.