Mathematics resources
- PhotomathScans and solves math problems, from basic arithmetic to calculus.
Free ebooks
Distributed Digital Library of Mathematical Monographs Collection
Electronic Library of Mathematics
Databases
- BioMed CentralProvides access to 220 online scholarly journals. All articles are available in PDF full-text.
- GreenFileOpen access database that provides information on human impact on the environment. Includes topics such as sustainable agriculture, renewable energy, and recycling.
- PubMed CentralIs a free full-text archive of biomedical and life sciences journal literature at the U.S. National Institutes of Health's National Library of Medicine (NIH/NLM).
- Directory of Open Access Journals
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DOAJ is a community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals. DOAJ is independent. All funding is via donations, 40% of which comes from sponsors and 60% from members and publisher members. All DOAJ services are free of charge including being indexed in DOAJ. All data is freely available.
- OpenDissertations
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Open access dissertations compiled by EBSCO, which includes its own product American Doctoral Dissertations, as well as dissertations and theses contributed by various colleges and universities.
- ArXiv.org
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Open access to 1,438,197 e-prints in Physics, Mathematics, Computer Science, Quantitative Biology, Quantitative Finance, Statistics, Electrical Engineering and Systems Science, and Economics
- PLOSPLOS was founded as a nonprofit Open Access publisher, innovator and advocacy organization with a mission to advance progress in science and medicine by leading a transformation in research communication. We believe that OPEN is a mindset that represents the best scientific values, bringing scientists together to share work as rapidly and widely as possible, to advance science faster and to benefit society as a whole.
- ScienceOpenIs a professional networking platform for scholars to enhance their research in the open, make an impact, and receive credit for it. We provide context building services for publishers, to bring researchers closer to the content than ever before. Our advanced search and discovery functions, combined with post-publication peer review, recommendation, social sharing, and collection-building features make ScienceOpen the only research platform you’ll ever need.
Courseware
- Memrise maths and science coursesShort, informal courses, primarily for secondary school students, lower-division undergraduates, and independent learners.
Collections of science resources
- National Science Digital LibraryA collection of resources for all disciplines and levels, with an emphasis on STEM.