Mathematics Learning

Coolmath offers free online math lessons, games and activities, including algebra and precalculus topics.

3Blue1Brown explains mathematics through visual lessons on linear algebra, calculus, neural networks, topology and other topics.

Paul's Online Math Notes provides free, downloadable notes for algebra, calculus and differential equations.

A curated GitHub list collects mathematics resources for browsing and further study.

Calculus Made Easy presents Silvanus P. Thompson's calculus text and explanations for learning calculus.

This repository explains popular machine learning algorithms with MATLAB and Octave code examples and mathematics.

SchoolYourself offers interactive online math videos, lessons, and tutoring, with blog and account links.

Project Euler offers mathematical and computational problems for users to solve and learn from.

Mathplanet provides free high-school courses in pre-algebra, Algebra 1, Algebra 2 and geometry.

OpenVSP creates 3D aircraft models from common engineering parameters for processing into formats used in engineering analysis.

Algebra Rules explains basic algebra rules with examples and explanations.

Wolfram Alpha computes answers across math, science, history, geography, engineering, finance and other subjects using its knowledge base.

Wolfram MathWorld contains more than 13,000 illustrated mathematics entries with interactive examples.

Smartschool provides an AI math tutor for K-12 students to use during practice.

TIB AV-Portal hosts scientific videos and audio about technology, engineering, and other research subjects.

OSSU Math lays out a complete self-taught mathematics curriculum using online learning materials.

A mathematics study plan organizes core subjects and offers guidance on how to study them, from precalculus onward.

LibreTexts Mathematics provides curated textbook materials that readers can use directly or adapt into customized remixes.

Stat Trek offers free tutorials and tools for statistics, probability, and survey analysis.

Stitz-Zeager provides free, open precalculus materials covering college algebra, trigonometry, and precalculus.

Linear Algebra Done Right provides the text and resources for Sheldon Axler's fourth edition on linear algebra.

Cut the Knot offers interactive mathematics puzzles and educational material.

Math Portal provides step-by-step calculators and solvers for equations, expressions, matrices and complex numbers.

nLab is a collaborative online resource for mathematics and physics, with pages and recent revisions.