TechnologyAcademia Books and Journals Business and Economics Constants, Identities, and Variations Databases and Archives Dictionaries Encyclopedias History Learning Analysis of a Complex Kind Imaginary Numbers Are Real – Welsh Labs Matrix Methods in Data Analysis, Signal Processing, and Machine Learning MIT A 2020 Vision of Linear Algebra, Spring 2020 Orrery Test Test – Electric Strings Test – Spaceworm Mathematics Heurist on Desmos Heurist on Geogebra Heurist on Overleaf Heurist on Wolfram Riemann Surfaces The Riemann-Hurwitz Formula for Regular Graphs Other Niches Personalities Reference Research Cyclopedia Universalis Products, Services, and Technologies Syndications of Interest Science Search Social Science Technology Blogs Blogs – Philosophy Neural Networks Demystified – Welsh Labs Wikidata Citebase Archive - was an experimental, semi-autonomous citation index for free, online research literature Visit Citebase Archive CiteSeerX - access to the Scientific Research Digital Library Visit CiteSeerX Collection of Computer Science Bibliographies - more than 7 millions of references (mostly to journal articles, conference papers and technical reports) Visit Collection of Computer Science Bibliographies Inspec - contains over 18 million records of research literature Visit Inspec More links on Cyclopaedia Universalis – Research – Technology Open in a new tab