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Visual Basic Discussions plus .NET, C#, game programming, and more (http://www.VBForums.com)

NI leverages commercial technologies, such as industry-standard computers and the Internet, to deliver customer-defined automation, test and measurement hardware and software solutions for engineers and scientists.

Scientific physics forums for professionals and students to discuss serious issues and topics regarding physics in theory, practice, study and reality. Students can also find help for homework and career perspectives

MathWorks is the world’s leading developer of technical computing software for engineers and scientists in industry, government, and education

Symbolic circuits analysis software to simulate AC/DC circuits using Kirchhoffs laws, Node Voltage and Mesh currents.

An expanding collection of freely available, interactive Demonstrations in math, science, and many other areas--at all levels from elementary education to front-line research.

This is an electronics forum where you can talk about anything related to circuit building, electronic projects and electrical repairs.

TINA Design Suite is a powerful circuit simulation package for analyzing, designing, and real time testing of analog, digital, VHDL, MCU, SMPS, RF, communication, optoelectronic and mixed electronic circuits and their PCB layouts.