Directory
Published directory entries matching your search.
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.
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.
A directory linking to free computer, programming, mathematics and technical ebooks, lecture notes and tutorials from around the world. Entries are categorized, and the site provides an advanced search engine.
funwebsite.fun is a personal site collecting projects described as mostly about math, language and games. Projects include the daily word puzzle Rainbow Connection, a snake game on square, triangle and hexagon tiles, and an Infinite Monkeys page. The site also lists blog posts.
A website by Gerard 't Hooft, under construction, intended for young students and others who want to study theoretical physics in their own time. It lists lecture course topics from primary mathematics and classical mechanics through quantum field theory and super string theory, and aims to point to useful papers and books.
Heynote is a dedicated scratchpad for developers that functions as a large persistent text buffer divided into blocks. Each block can have its own language mode for syntax highlighting and auto-formatting, and math blocks serve as calculator scratchpads. Multiple note buffers can be created and organized into directories, and inline images can be pasted, resized, and annotated. It is available for Mac, Windows, and Linux.
Huazhong University of Science and Technology is a comprehensive, multi-disciplinary research university in Wuhan, China, whose English-language site covers admissions for international education programs, schools and departments, research centers and institutes, global partnerships and collaborative programs, and campus resources.
Hypercubing is the hobby of solving twisty puzzles such as the Rubik's cube in higher dimensions. Twisty puzzle movements are mathematically defined and can be generalized to higher spatial dimensions, with the puzzles visualized and simulated using computer software. The site offers an introduction to 4D, an FAQ, hypercubing software downloads, a progression section and a Discord server.
This is an online implementation of John Conway’s Game of Life, a single-player game invented in 1970 by Cambridge mathematician John Conway. The website allows users to play the game, and also includes a Life Lexicon, explanations of Game of Life rules, and additional information about Conway’s Game of Life.
