Circuit Weaver

Electronics and Mechanics
Free - eptsoft

Over 1000 highly interactive science and engineering topics, use with any existing textbook, insert your own values and explore their effects, shows calculations, plots graphs, full colour graphics redrawn to scale for every change, explanatory text, step through topics, even makes revision enjoyable. Plus full colour printing showing your own chosen values, copy and paste to make custom teacher handouts or students course work, modify or add.

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eMachineShop 3D CAD
Free - Micro Logic Corp

Free 3D CAD Program with Instant Pricing and Instant Online Ordering. Now you can design custom parts, select a wide range of machines and materials then simply click to order your custom parts online. Choose from the most popular machining services such as CNC milling, lathe turning, finishing machines, sheet metal bending, even casting and more. In addition, a wide range on injection molded plastics are offered. Try it today!

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Electrical Mechanics and Maths
Free - eptsoft

Over 500 highly interactive electrical engineering topics, use with any existing textbook, insert your own values and explore their effects, shows calculations, plots graphs, full colour graphics redrawn to scale for every change, explanatory text, step through topics, even makes revision enjoyable. Plus full colour printing showing your own chosen values, copy and paste to make custom teacher handouts or students course work, modify or add to

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