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OpenStax: Textbooks
OpenStax offers free textbooks to all types of students, making education accessible and affordable for everyone.
You will find books on the topics:- bookkeeping;
- economy;
- management and marketing;
- nursing;
- Sciences;
- human Sciences;
- math; …
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Ellen MacArthur Foundation: Circular Economy Teaching Material
The Ellen MacArthur Foundation works for a fully circular economy. It was founded in 2009 and is a reference for the circular economy. You will find a wealth of information: infographics, reports, but also a specific section with educational …
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fxSolver: Formulas in a snap
Fill in and solve formulas thanks to this website. Select your formulas according to the following categories:
- biology,
- chemistry,
- economy,
- electromechanics,
- geography,
- material leather,
- math,
- mechanics,
- medicine,
- meterology,
- physics.
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