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MathPortal is a mathematics website offering step-by-step online calculators and solvers for topics including polynomial equations, rational expressions, systems of equations, matrices, complex numbers and analytic geometry. It also provides math lessons, formulas and tests. The site states it was designed by mathematician Miloš Petrović, who wrote the calculators, lessons and formulas. A paid homework help service is mentioned.
Mathspad is an educational resource for learning science, history, language, geography, or general knowledge.
Mini Dictionary helps learn languages with dictionaries, reading tools, lessons, pronunciation, or study resources.
NASA History is an educational resource for learning science, history, language, geography, or general knowledge.
NASA's Eyes is an educational resource for learning science, history, language, geography, or general knowledge.
Nasahistory is an educational resource for learning science, history, language, geography, or general knowledge.
Science, nature, wildlife, history, and geography video and article resource from National Geographic.
Natural History Museum is an educational resource for learning science, history, language, geography, or general knowledge.
A site that introduces websites and online tools for studying Japanese, with sections for apps and categorized sites. It also includes articles on learning resources and links to a Japan Foundation e-learning platform.
A GitHub repository collecting AI learning resources, including over 100 cheat-sheets, free online books, courses, videos and lectures, papers, tutorials, researchers, websites, datasets, conferences, frameworks and tools. Topics include machine learning, deep learning, big data, data science and Python.
The nLab page on mathematics is a reference entry covering the field of mathematics. It states that mathematics is the part of science that constructs and studies mathematical objects used to implement mathematical models, with results organized into definitions, theorems, and proofs. The page lists subfields including philosophy of mathematics, foundations, logic, topology, algebra, and analysis.
Omniglot is an online encyclopedia focused on writing systems and languages. It catalogues alphabets, abjads, abugidas, syllabaries, constructed scripts, and natural language profiles. The site also offers language learning tips, multilingual useful phrases, numbers, idioms, songs, stories, and other language-related resources for users interested in linguistics or language study.
OneLook Reverse helps learn languages with dictionaries, reading tools, lessons, pronunciation, or study resources.
Oxford English Dictionary helps learn languages with dictionaries, reading tools, lessons, pronunciation, or study resources.
Park School Mathematics is a site presenting a series of mathematics books, from Book 1: Reasoning and Proving through Book 10: Functions and Models II, plus additional custom books. Book pages list lessons covering topics such as combinatorics, linear equations, quadratic models, graph theory, geometric proof, circular functions, algorithms, logarithms and recursion.
Physics Simulations is an educational resource for learning science, history, language, geography, or general knowledge.
PirateHive is a resource hub site linking to movies, TV shows, live sports, anime, documentaries, books and study materials, including JEE/BITSAT and NEET preparation resources and test series. It also lists Telegram and Discord communities and states some live content may need a VPN.
PlanetMath is a virtual community aiming to make mathematical knowledge more accessible. Its main feature is a mathematics encyclopedia with entries written and reviewed by members, contributed under the Creative Commons By/Share-Alike License and written in LaTeX.
An open-access archive and digital research initiative for the study and preservation of the all-fiction pulpwood magazine. It provides information and resources on publishing history, search and discovery platforms, and a library of cover-to-cover digital facsimiles.
Rekhta Dictionary helps learn languages with dictionaries, reading tools, lessons, pronunciation, or study resources.
Revised Dictionary helps learn languages with dictionaries, reading tools, lessons, pronunciation, or study resources.
Sciencenotes is an educational resource for learning science, history, language, geography, or general knowledge.
Semantic Spaces Dictionary helps learn languages with dictionaries, reading tools, lessons, pronunciation, or study resources.
Sign Dictionary helps learn languages with dictionaries, reading tools, lessons, pronunciation, or study resources.
