NIST Digital Library of Mathematical Functions
dlmf.nist.govA detailed reference for mathematical functions
A detailed reference for mathematical functions
Chemical reference data with documented data collections
Fish reference lookup by common or scientific name
Medical study material linked to a clinical reference library
Linked records of London convicts in Britain and Australia
Instructional writing reference from UW-Madison
A community-written Go reference with diagrams and discussion
Writing and citation reference for academic and professional tasks
A browsable mathematical reference organized by subject
Search annotated records of the American founding era
Charles Darwin's publications, notebooks and papers
A shared search across Mountain West historical collections
A Danish reference portal spanning subjects and source works
French encyclopedia reference with atlas tools
Catalan reference search across substantial published works
Clinical educational libraries and case-based reference reading
Literary reference organized around people, works and context
Brain reference atlases and research datasets
Texts and reference material on South Asian traditions
Swedish everyday and celebration cooking with practical kitchen reference guides
Replay recorded executions alongside a trading journal
Browse crypto prices or use a public API without a developer key
Build event-driven market simulations with a shared strategy engine
Track crypto markets and build a portfolio from the quantities you hold