r/CasualMath↗
For the crummy mathematician.
This is a subreddit that is meant to be somewhere inbetween /r/math and /r/learnmath.
18k subscribers226 posts / mo in Sep 2026131 authors / mosince 2010
r/CasualMath has 18k members (+16% over the last 12 months). It gets about 226 posts a month from 131 people. Top topics: Math Equations, Mathematics Classroom Experience and YouTube Math Channels.
When to post on r/CasualMath
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How r/CasualMath has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/CasualMath
Top topics
Share of the subreddit's posts
- Math Equations4.4%
- Mathematics Classroom Experience1.6%
- YouTube Math Channels0.7%
- FractalArt0.6%
- HateMathLearn0.5%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Apple
- Substack
- Zenodo
- arXiv.org e-Print archive
- Wolfram Research (United Kingdom)
Everything else about r/CasualMath
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research