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on redditPost all of your math-learning resources here. Questions, no matter how basic, will be answered (to the best ability of the online subscribers).
MathOverflowMathOverflow 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.
Art of Problem SolvingArt 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.
on redditWelcome to r/AskStatistics. Ask away!
on redditThis is a subreddit for discussion on all things dealing with statistical theory, software, and application. We welcome all researchers, students, professionals, and enthusiasts looking to be a part of an online statistics community.