14 Online Communities for Math
Updated 5/13/2026
r/math
on reddit
This subreddit is for discussion of mathematics. All posts and comments should be directly related to mathematics, including topics related to the practice, profession and community of mathematics.4.0M members
Forum7 views / month
Cosmos Domain
on discord
Welcome to Cosmos Domain! We invite you to explore and learn with us! Join our server for various topics like math, physics, astronomy, biology, chemistry, and more STEM subjects!2K members
Chat7 views / month
r/matheducation
on reddit
/r/matheducation is for discussions of math teaching and pedagogy.41K members
Forum7 views / month
Mathematics
on discord
An active community for math enthusiasts, focused on the appreciation of mathematics, homework help, and teaching new concepts. Features channels for various levels of math.332K members
Chat8 views / month
Mathematical Association of America
The Mathematical Association of America is the world’s largest community of mathematicians, students, and enthusiasts. We further the understanding of our world through mathematics because mathematics drives society and shapes our lives.ForumPerksEventsPaid4 views / month
r/learnmath
on reddit
Post all of your math-learning resources here. Questions, no matter how basic, will be answered (to the best ability of the online subscribers).459K members
Forum24 views / month
MathOverflow
MathOverflow is a question and answer site for professional mathematicians. Anybody can ask a question. Anybody can answer. The best answers are voted up and rise to the top.170K members
Forum6 views / month
Art of Problem Solving
Art of Problem Solving creates educational materials for motivated students in grades 2–12. The company's books, classes, and online resources help students become creative, successful problem solvers. The website contains a community forum that is available to all that have math questions.806K members
Forum7 views / month
r/AskStatistics
on reddit
Ask a question about statistics (other than homework). Don't solicit academic misconduct. Don't ask people to contact you externally to the subreddit. Use informative titles.133K members
Forum2 views / month
Number Theory
on linkedin
Number Theory is a mathematical study of the axiomatic properties of positive integers including powers of integers, squares, cubes, triangular, factorial, Fibonacci, composite, prime, perfect, Mersenne, Fermat, Ramanujan, factors, Pisot, social, deficient, abundant, Pickover, Batrachian and modular forms. This group is formed to advance the use of number theory in physics, chaos theory and fractal theory as well. Dirichlet and zeta functions as they apply to the theory of numbers will be discussed. Both cyclotomic and subcyclotomic numbers are also of great interest in Pisot and metal means discussions. We will welcome open discussions and new developments in number theory.39K members
Forum
r/statistics
on reddit
/r/Statistics is going dark from June 12-14th as an act of protest against Reddit's treatment of 3rd party app developers. _This community will not grant access requests during the protest. Please do not message asking to be added to the subreddit._629K members
Forum![Community Placeholder]()
Math Help Forum
Mathematics is concerned with numbers, data, quantity, structure, space, models, and change. Founded in 2005, Math Help Forum is dedicated to free math help and math discussions, and our math community welcomes students, teachers, educators, professors, mathematicians, engineers, and scientists.Forum2 views / month
Maths & Unusual Chess
on linkedin
Mathematics, Chess Problems, ChessBoard Puzzles, Math Chess and unusual aspects of the chess world...6K members
Forum2 views / month
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Mathematics Stack Exchange
A question and answer site for people studying math at any level and professionals in related fields. Part of the Stack Exchange network.1.6M members
Forum5 views / month
FAQ
Community size
- Tiny: 0 communities (<20 members)
- Small: 0 communities (20-100 members)
- Medium: 0 communities (100-1,000 members)
- Large: 2 communities (1,000-10,000 members)
- Huge: 2 communities (10,000-100,000 members)
- Massive: 6 communities (100,000-1M members)
- Gigantic: 2 communities (1M+ members)
Community features
Community platforms
- Reddit: 5 communities
- Discord: 2 communities
- LinkedIn: 2 communities