r/puremathematics

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r/mathematics
33k  subs
/r/mathematics is a subreddit dedicated to focused questions and discussion concerning mathematics.
https://reddit.com/r/mathematics/
r/CasualMath
9k  subs
This is a subreddit that is meant to be somewhere inbetween /r/math and /r/learnmath.
https://reddit.com/r/CasualMath/
A place for poking fun at the bad mathematics that plagues the internet
https://reddit.com/r/badmathematics/
Math education! r/matheducation is focused on mathematics pedagogy (the teaching of). Please avoid posts that are related to homework or other "How do I solve this?" type questions. There should be an emphasis on usefulness (such as good internet resources or ideas for how to teach a concept).
https://reddit.com/r/matheducation/
r/learnmath
135k  subs
Post all of your math-learning resources here. Questions, no matter how basic, will be answered (to the best ability of the online subscribers).
https://reddit.com/r/learnmath/
r/haskell
46k  subs
The Haskell programming language community. Daily news and info about all things Haskell related: practical stuff, theory, types, libraries, jobs, patches, releases, events and conferences and more...
https://reddit.com/r/haskell/
r/compsci
618k  subs
Computer Science Theory and Application. We share and discuss any content that computer scientists find interesting. People from all walks of life welcome, including hackers, hobbyists, professionals, and academics.
https://reddit.com/r/compsci/
r/askmath
12k  subs
A subreddit for math questions. Do you have a math question? Can you help others with their math questions? Come join us!
https://reddit.com/r/askmath/
r/algorithms
62k  subs
Computer Science for Computer Scientists
https://reddit.com/r/algorithms/
Welcome to the University of Reddit, a place for redditors to teach redditors.
https://reddit.com/r/UniversityofReddit/
r/Physics
887k  subs
The aim of /r/Physics is to build a subreddit frequented by physicists, scientists, and those with a passion for physics. Papers from physics journals (free or otherwise) are encouraged. Posts should be pertinent, meme-free, and generate a discussion about physics. Please report trolls and intentionally misleading comments.
https://reddit.com/r/Physics/
r/TrueReddit
445k  subs
A subreddit for really great, insightful articles and discussion. Please follow reddiquette, and READ THE ARTICLE before voting or discussing. Downvotes should only be used if something doesn’t contribute to intelligent discussion, not just because you disagree. Please use the report button if you see something that doesn’t belong.
https://reddit.com/r/TrueReddit/
r/mathriddles
9k  subs
This subreddit is for anyone to share math or logic related riddles, and try and solve others. Come check it out!
https://reddit.com/r/mathriddles/
r/statistics
84k  subs
This 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.
https://reddit.com/r/statistics/
r/crypto
104k  subs
Cryptography is the art of creating mathematical assurances for who can do what with data, including but not limited the classical example of encrypting messages so that only the key-holder can read it. Cryptography lives at an intersection of math, programming, and computer science. This subreddit covers the theory and practice of modern and *strong* cryptography, and it is a technical subreddit focused on the algorithms and implementations of cryptography.
https://reddit.com/r/crypto/
r/AskAcademia
80k  subs
This subreddit is for discussing academic life, and for asking questions directed towards people involved in academia, (both science and humanities).
https://reddit.com/r/AskAcademia/
r/DepthHub
326k  subs
DepthHub gathers the best in-depth submissions and discussion on Reddit. You can use [the DepthHub](http://www.reddit.com/user/Lapper/m/depthhub) as an alternative front page with high quality discussion and inquiry. For more on the theory of DepthHub, [read this post from our founder](http://redd.it/bkd0n).
https://reddit.com/r/DepthHub/
r/maths
7k  subs
A mathematics subreddit for the pretentious lot who don't like the word "math". Under construction.
https://reddit.com/r/maths/
r/askphilosophy
112k  subs
/r/askphilosophy aims to provide serious, well-researched answers to philosophical questions.
https://reddit.com/r/askphilosophy/
r/emacs
33k  subs
The extensible, customizable, self-documenting real-time display editor.
https://reddit.com/r/emacs/