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Add-ins.com provides Microsoft Excel spreadsheet add-ins and downloadable books on Excel visual basic macros.

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Institute for Operations Research and the Management Sciences

www.acm.org - The premier society in computing brings you the Computer Portal.

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Udemy is a website that enables anyone to teach and learn online. Udemy tries to democratize online education by making it fast, easy and free to create online courses. Udemy is an open platform, so anyone can build an online course by posting videos...