r/math

Community Overview
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reddit.com/r/math/
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About r/math

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.

The community at a glance

r/math is a Subreddit for Math with roughly 4.0M members. It has been around since 2008. It uses a forum format for communication. On the Hive Index it ranks #3 in the Math communities list.

Roughly 51K members have joined in the past year. Popular discussion topics include Math, Worst, and Looking For. Product recommendations often mention book and scientific calculator.

On Reddit
Established 2008
4.0M Members

Community Topics

Community Features

Forum

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +51K members
Growth: +1.3% / year

Member growth over time

All time (yearly)

  • 2013: 26K members
  • 2014: 26K members
  • 2015: 12K members
  • 2016: 25K members
  • 2017: 202K members
  • 2018: 304K members
  • 2021: 1.1M members
  • 2023: 666K members
  • 2024: 1.2M members
  • 2025: 286K members
  • 2026: 37K members

Past year (monthly)

  • Jul: 0 members
  • Aug: 0 members
  • Sep: 0 members
  • Oct: 99 members
  • Nov: 8K members
  • Dec: 7K members
  • Jan: 7K members
  • Feb: 6K members
  • Mar: 6K members
  • Apr: 6K members
  • May: 6K members
  • Jun: 4K members

Topics

  • Math
    132 posts in the past month
    #1
    Math
    132
  • Worst
    40 posts in the past month
    #2
    Worst
    40
  • Looking For
    25 posts in the past month
    #3
    Looking For
    25
  • Help
    23 posts in the past month
    #4
    Help
    23
  • Struggling
    21 posts in the past month
    #5
    Struggling
    21

Flair

  • Removed - try /r/learnmath
    3 posts in the past month
    1. No-3-in-line problem solved for order 70 by Marijn Heule
    2. How do the 99% of us cope?
    3. Similarity test for non-symmetric matrices: is Tr(A^k (A^T)^j) = Tr(B^k (B^T)^j) for k=1..d, j=0..k-1 sufficient for existence of orthogonal: AO = OB?
    #1
    Removed - try /r/learnmath
    No-3-in-line problem solved for order 70 by Marijn Heule · How do the 99% of us cope? · Similarity test for non-symmetric matrices: is Tr(A^k (A^T)^j) = Tr(B^k (B^T)^j) for k=1..d, j=0..k-1 sufficient for existence of orthogonal: AO = OB?
    3
  • Image Post
    1 post in the past month
    1. The Deranged Mathematician: An Alternative to Toroidal Games
    #2
    Image Post
    The Deranged Mathematician: An Alternative to Toroidal Games
    1
  • Removed - add explanation
    1 post in the past month
    1. John Baez on E8, sphere packing, and category theory [interview]
    #3
    Removed - add explanation
    John Baez on E8, sphere packing, and category theory [interview]
    1

Product recommendations

  • book
    41 posts in the past month
    1. Best Book + Vids to Learn Calc?!
    2. Best book to read on game theory
    3. Best textbooks and content to actually understand math?
    #1
    book
    Best Book + Vids to Learn Calc?! · Best book to read on game theory · Best textbooks and content to actually understand math?
    41
  • scientific calculator
    2 posts in the past month
    1. best scientific calculator for highschool?
    2. scientific calculator recommend
    #2
    scientific calculator
    best scientific calculator for highschool? · scientific calculator recommend
    2
View full analysis on GummySearchSynced 6/22/2026

Frequently asked questions

Who is r/math for?
Best for Math enthusiasts looking for a Reddit-based community with forum discussion.
Is r/math free to join?
This listing is not marked as paid-only. Access rules and any fees are decided by the community.
How many members does r/math have?
Roughly 4.0M members, based on figures reported by the community or its host. Member counts are approximate and change over time.
What platform is r/math on?
r/math runs on Reddit. Reddit communities (or "subreddits") are forum-based groups on the popular social news aggregation, web content rating, and discussion website Reddit. Reddit is commonly known as "the front page of the internet". Users submit content to the site such as links, text posts, and images, which are then voted up or down and discussed by other members. From investing Reddit communities, to professional ones, to ones just for laughs, you're likely to find a community for you on Reddit.
What topics does r/math cover?
On the Hive Index, r/math is organized under Math.
How do I join r/math?
You can join r/math by clicking this link, or pressing the "Go to community" button above.
What are the Math communities like?
Communities for math students, enthusiasts, and professionals covering everything from calculus help to higher-level pure and applied mathematics. Reddit has large communities for homework help and recreational math, with Discord servers serving students and dedicated forums for specific branches of the discipline.
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Monthly Stats

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Views
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Visitors
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