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Spice based electronic circuit simulation and circuit analysis software. 5Spice is a step up from student oriented simulators but still easy to use.

Graphing Software for teaching math. The graph maker can plot points, graph functions and inequalities, and make coordinate grids. HandyGraph creates graph images for math worksheets, presentations, web pages, and more.

The National Center for Education Statistics (NCES) collects, analyzes and makes available data related to education in the U.S. and other nations.

Bond Graph portal - A comparative study of bond graph (bondgraph), block diagram and iconic modeling, control system analysis and simulation software tools. Object oriented hierarchial modeling software using sub-models (capsules) and hybrid non-line...

Reviews and free software downloads for Windows, Mac, Palm, Pocket PC, and Mobile Phones. The best programs and games. Buy software directly online.

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

Graph, free download. Graph 4.2: Draw mathematical graphs in a coordinate system.

Graph Maker is easy free-form graphing for students, educators, and business.

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Discrete event and continuous flow simulation for modeling, optimizing, and visualizing any imaginable process - from manufacture to supply chain, Flexsim does it all.

System Dynamics, systems thinking, STELLA, iThink

Homepage of GraphCalc - The ultimate windows graphing calculator software