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math

316,576 subscribers a community for 9 years, 8 months

last post 8 days ago [+]

Welcome to /r/math.

This subreddit is for discussion of mathematical links and questions. Please read the FAQ before posting.

Homework problems, practice problems, and similar questions should be directed to /r/learnmath, /r/homeworkhelp or /r/cheatatmathhomework. Do not ask or answer this type of question in /r/math.

If you're asking for help learning/understanding something mathematical, post in the Simple Questions thread or /r/learnmath. This includes reference requests - also see our lists of recommended books and free online resources.

If you are asking for a calculation to be made, please post to /r/askmath or /r/learnmath.

If you are asking for advice on choosing classes or career prospects, please post in the stickied Career & Education Questions thread.

Image-only posts should be on-topic and should promote discussion; please do not post memes or similar content here. Please be polite and civil when commenting, and always follow reddiquette.

All posts and comments should be directly related to mathematics. General political debate is not permitted.

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Recurring Threads and Resources

Everything about X - every Wednesday

What Are You Working On? - posted Mondays

Career and Education Q&A - Every other Thursday

Simple Questions - Posted Fridays

A Compilation of Free, Online Math Resources.

Click here to chat with us on IRC!


Using LaTeX

To view LaTeX on reddit, install one of the following:

MathJax userscript (install Greasemonkey or Tampermonkey first)

TeXtheWorld Chrome extension

TeXtheWorld userscript

[; e^{\pi i} + 1 = 0 ;]

Post the equation above like this:

`[; e\^{\pi i}+1=0 ;]`


Using Superscripts and Subscripts

x*_sub_* makes xsub

x*`sup`* and x\^(sup) both make x^(sup)

x*_sub_`sup`* makes xsubsup

x*`sup`_sub_* makes xsupsub


Other Subreddits

Math

  • /r/learnmath
  • /r/mathbooks
  • /r/cheatatmathhomework
  • /r/matheducation
  • /r/casualmath
  • /r/puremathematics
  • /r/mathpics
  • /r/mathriddles

Tools

  • /r/mathematica
  • /r/matlab
  • /r/sagemath

Related fields

  • /r/actuary
  • /r/algorithms
  • /r/compsci
  • /r/interdisciplinary
  • /r/statistics

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