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Free tips and tutorials on creating and using formulas, functions, charts, and graphs in Excel and other spreadsheets. Resources for beginners and advanced level users.

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Help with Excel Functions and Formulas - Examples, Tips, Tricks and Common Errors

Best Excel Tutorial - complex and absolutely free tutorial of Excel.

Free source of SPICE circuit files and tutorials for the hands-on learning of electronics through the SPICE simulator. Also inlcudes SPICE basics and a command summary. Links to free demo versions.

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Learn mathematics while you play with it! Math lessons that include Flash, java applets, Scientific Notebook and LiveMath to improve your math.

International Electronic Discussion Forum: EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals

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MrExcel is your one stop for Excel tips and solutions. MrExcel offers help for excel including seminars and other training.