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Published directory entries matching your search.
Kalker is a scientific calculator application that supports user-defined variables and functions, ambiguous input syntax, differentiation, integration and complex number calculations. It runs natively on Windows, macOS, Linux and Android, and operates in web browsers via WebAssembly. The tool uses math-like syntax for input and supports sum calculations alongside standard and advanced mathematical operations.
Kyoto University is a research institution in Japan, founded in 1897. Its site provides resources for prospective international students, researcher profiles, admissions information for the Kyoto iUP undergraduate program, research news and event listings.
A draft curriculum of topics presented from a minimalist perspective. The material is designed for use on a phone or tablet, according to the author. Curriculums listed as in progress include Machine Learning, Security, Math, TAOCP, and Software with introductory courses such as Functional CS, Accelerated CS, and SICP. A Discord channel is mentioned for community.
Linear Algebra Done Right is a textbook for a second course in linear algebra aimed at undergraduate math majors and graduate students. The fourth edition is an Open Access book under a Creative Commons BY-NC license, available free electronically in English, Chinese, Farsi, Greek, Hebrew, and Portuguese. It contains over 250 new exercises and over 70 new examples, and defers determinants to the end.
Mammoth Memory is a free educational revision resource that uses visual imagery and image-assisted mnemonics to help students recall facts required for exams. It provides revision tools, exercises, flashcards, and memory retention techniques for core subjects including Maths, English, Sciences, History, and Geography, aiming to support exam success and improve information recall for learners.
MatrixCalc is a web-based matrix calculation tool. It performs matrix operations including addition, multiplication, inversion, determinant and rank calculation, transposition, diagonalization, row echelon form conversion, exponentiation, LU decomposition, QR decomposition, and singular value decomposition. It also solves systems of linear equations with step-by-step solutions. Users can input decimal fractions, mathematical expressions, matrix literals, and use built-in functions for calculations.
A blog by Matthen presenting maths and science animations, including simulations and visualizations such as waves, rolling ellipses, Borromean rings and conic sections. Some posts link to code and interactive visualizations.
Machine Learning Visualized is a book of Jupyter Notebooks that implement and mathematically derive machine learning algorithms from first principles. Each notebook's output is a visualization of the algorithm during training, converging at its optimal weights. Chapters cover optimization, clustering and reduction, linear models and activation functions, and neural networks.
A research-oriented computer science curriculum centered on computational trinitarianism, where computation appears as logic, programs and categories. It covers programming with functional languages, discrete math formalized in Lean 4, algorithms and proof assistants.
Modern CSS Solutions is a series by frontend developer Stephanie Eckles examining modern CSS approaches to common frontend problems. Articles cover topics such as custom properties, container query units, CSS math functions, selectors, accessibility upgrades, and testing browser feature support with fallbacks and build tools. A companion site, SmolCSS, offers minimal snippets for modern layouts and components.
A course by Andrej Karpathy on building neural networks from scratch in code, starting with backpropagation basics and building up to modern deep neural networks like GPT. Prerequisites are solid Python programming and intro-level math such as derivatives and gaussians.
This nLab page discusses the philosophical part of nLab, covering higher algebra, homotopy theory, type theory and category theory and their relevance to philosophy. It states that the entries on philosophy would ideally contain philosophy of mathematics, logic and foundations, and philosophy of physics, including interpretation and foundational issues of quantum mechanics. It also treats metaphysical interest in higher mathematical structures and foundations for mathematics.
Numbat is a statically typed programming language and high-precision scientific calculator with first-class support for physical dimensions and units. It supports mathematical computations, unit conversions, and physical quantity calculations, with documentation, syntax reference, and installation guides available.
NumberFields@home is a research project that uses Internet-connected computers to do research in number theory, with participants downloading and running a free program. It searches for fields with special properties, with the primary application in algebraic number theory. It is based at the school of mathematics at Arizona State University and uses BOINC.
OpenIntro is a registered 501(c)(3) nonprofit that develops free, transparent educational products intended to lower barriers to education. It publishes statistics and mathematics textbooks, with a free PDF version of each textbook and affordable print editions, plus supporting resources such as slides and videos. Verified teachers can request desk copies and access statistics textbook solutions and sample exams.
Physics Forums is an online community of scientists, mathematicians, engineers and students. It hosts discussions across physics, math and engineering, with members able to post threads and replies. The site offers guidance on homework help with a required posting structure and lists subscription perks for gold members.
PineTools is a collection of free online tools for common tasks with mathematics, colors, text and lists, numbers, date and time, images, randomness, files and programming. The site also lists video tools described as being for creating, editing, cropping, trimming and merging videos.
Puzzlemaker is a puzzle generation tool from Discovery Education for teachers, students and parents. It creates customized puzzles such as word search, criss-cross, math puzzles, mazes and cryptograms from the user's own word lists, and puzzles can be printed.
A large online directory of thousands of free e-books on science and technology subjects, including computer science, medical science, mathematics, physics and biology. Users can upload their own books, which are checked before being added, or request a book. Links are listed by publisher and category with a download link for each title.
Red Blob Games publishes interactive visual explanations of math and algorithms, using examples from computer games and other projects. Topics include pathfinding, map generation from noise, hexagonal grids, Voronoi diagrams, graph theory and 2D visibility. Articles are free, with no signup and no ads, aimed mainly at independent, student and hobbyist software developers. The site also hosts demos such as map generators.
SAT Slayer is a free SAT question bank with over 3,000 real questions covering Reading & Writing and Math. It offers custom practice tests, practice by skill, progress tracking, and mistake review, with no ads, paywall, or account required.
School Yourself provides free interactive online math lessons and videos. Subjects include algebra, geometry, trigonometry, precalculus and calculus. The site states the lessons are free with unlimited access, and describes smart recommendations and personalized assessments.
Science Forums is a discussion forum with boards covering news, education, physics, chemistry, mathematics, biology, medical science, engineering, earth science, computer help, philosophy, religion and ethics. A homework help section offers assistance with homework problems rather than answers.
Shfl is a random sampler of album recommendations. Users can choose a category or leave the selection to chance. The site also lists recent guides on topics such as Blood and Fire, Power Pop and Math Rock.
