Directory
Published directory entries matching your search.
MathOnline is a Wikidot site offering notes on undergraduate mathematics topics, including calculus, linear algebra, topology and number theory. The notes include examples and visuals, and the author states pages may contain typos or errors.
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.
Open Source Society University (OSSU) is an open education initiative that provides free self-taught college-level curricula. It offers structured learning paths for Computer Science, Mathematics, Data Science, and Bioinformatics, plus localized versions for Brazilian and Chinese learners. All resources are freely accessible with no cost to users.
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.
Wolfram MathWorld is a comprehensive encyclopedia of mathematics with 13,000 detailed entries. It is continually updated, extensively illustrated, and includes interactive examples, covering areas such as algebra, geometry, calculus and analysis, and probability and statistics.
Wumbo is a math reference site for students, teachers, and enthusiasts. It organizes core concepts, worked examples, formulas, functions, a glossary, notation, operators, symbols, and videos, including a video on quaternions implemented in Python. It offers a contributing membership that funds future videos and resources.
Academo is a free online education platform that provides interactive, browser-based educational demos and tools. It covers subjects including Engineering, Geography, Mathematics, Music, and Physics, and requires no user registration or sign-in to access content.
Algebrica is a free, open, and distributed mathematical knowledge base with content openly distributed on GitHub under the CC BY-NC 4.0 license. It offers publications in print and digital formats and accepts community contributions through a supervised review process.
AnkiDroid is the official Android port of the open-source Anki spaced repetition flashcard system. It supports spaced repetition learning using the AI-optimized FSRS algorithm, and allows users to create flashcards with text, images, sounds and MathJax content. It offers features including night mode, AnkiWeb syncing, text-to-speech integration, access to over 10,000 premade decks, and the ability to add cards from other applications.
Awesome Educational Games is a curated list of educational games designed to help users learn editors, programming languages, and other technical skills, with additional related educational articles, organized into categories such as art & design, CSS, and math & computer science.
Benha University is a university portal presenting news on research, international cooperation and institutional agreements. It reports collaborations with Chinese universities and a cooperation protocol with a water resources training center.
Book Gold Mine collects free e-books, lectures, notes and other documents across subjects including biology, business, computer science, math and physics. Its stated mission is to serve visitors a large collection of quality e-books, lectures, notes and other kinds of documents at no cost to the user.
BrainScale is an online brain training platform offering science-backed exercises including Dual N-Back, logic games, mental math, and real-life mental challenges. It is designed to improve users' memory, focus, and reasoning. The platform is SSL secured and prioritizes user privacy. Its dedicated training app provides progress statistics for Dual N-Back exercises.
Brandon University is a post-secondary institution offering programs, scholarships and bursaries, and student resources such as course calendars, registration guides, exam timetables and Moodle access. It also lists faculties and schools including Arts, Education, Graduate Studies, Science, Health Studies and Music, plus research services and research centres.
CaieFinder is a search tool for finding answers in Cambridge CAIE past papers. It works with IGCSE, GCE O Level and A Level past papers and returns answers along with the original question and answer PDFs. Users search by entering consecutive words from a question; the site advises plain words over mathematical expressions and says words need not start the question.
CEMC Courseware is a free online collection of mathematics and computer science materials from the University of Waterloo's CEMC. It offers lessons, interactive activities, enrichment challenges and practice with immediate feedback, covering Grades 4 to 12. No registration is required. The page states that no certificate or credential is awarded and that personal progress cannot be tracked.
Codeguage is an educational platform offering mini courses for self-taught developers, covering topics such as sequences, JavaScript, browser APIs, math foundations, programming, and computer science. Each mini course limits chapters to around 8 to 13, with each chapter at most 850 words. A premium subscription, priced at $39 per month, provides access to all mini courses, workshops, and progress tracking.
A Telegram channel from the Fifty Foundation, led by David J. Malan et al., offering theatrical courses in computer science and math. It states the courses are free and for all, and provides a link for downloads.
CSES Problem Set is a collection of programming tasks organized into categories including introductory problems, sorting and searching, dynamic programming, graph algorithms, range queries, tree algorithms, mathematics and string algorithms. The page lists tasks with solved and attempt counts and offers account creation and login.
David.li is the site of an artist making interactive playthings with maths, sound, code and squishiness. The page lists works including Splash Canvas, Viola the Bird, Blob Opera, Elastic Man, Fluid Paint, Character Soup, Fluid Particles, Vortex Spheres, Volumetric Particle Flow, Fourier Image Filtering and Ocean Wave Simulation.
Desmos Studio develops free digital math tools, including Graphing, Scientific, Geometry, and 3D Calculators, as well as Notebook. The tools are available for exploration, with examples provided for user inspiration.
Easing Functions Cheat Sheet is an open-source page that helps developers select easing functions to make CSS animations more natural. It lists named easing functions and shows implementations for CSS, PostCSS, gradients and a TypeScript math function.
Engaging Data is a virtual workshop and gallery of JavaScript tools, data visualizations, calculators and maps on topics including maps, environment, energy, finance, politics, health and math. A post covers how mask wearing and effectiveness can reduce the coronavirus transmission rate R0; that visualization does not account for vaccines, which the source calls a limitation.
Evan Chen's homepage collects course notes, olympiad materials, writings and a CV. The site states that Evan completed a number theory PhD at MIT and coaches math olympiads, and it links to handouts, past problems and solutions for high school students.
