HEATKEYS

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

International führender Wissenschaftsverlag - Wissenschaft, Technik, Medizin, Architektur, Wirtschaft und Verkehr - Zeitschriften, Bücher und EContent.

Project Gutenberg offers over 33,000 free ebooks to download.

Clear, intuitive tutorials on math, science and programming. Have your 'aha' moment.

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.

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

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