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math

172,464 subscribers a community for 9 years, 2 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.

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.

Filters: Hide Image Posts Show All Posts


Recurring Threads and Resources

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 ;]`

You may need to add four spaces before or put backticks around math fragments.


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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