208 questions linked to/from MathJax basic tutorial and quick reference
79k views

### How can I type the "isomorphic","not equal" and "the set of integers , rationals and reals" symbol? [duplicate]

How can I type the "isomorphic","not equal" and "the set of integers , rationals and reals" symbol ? What is the code ? $=$ means equal, how to write "not equal" What about real numbers, ...
7k views

### How to input matrices when posting questions at Math StackExchange? [duplicate]

I would like to post a question here in which I would like to insert a $2 \times 2$ matrix with entries $a$, $b$, $c$, and $d$, respectively, in the positions row 1 col. 1, row 1 col. 2, row 2 col 1, ...
13k views

### How to markup expression using sigma notation for sum in MathJax [duplicate]

I have had trouble trying to express a sigma sum formula. Please do not think I have been lazy, I have been lazy, it is just I have up attempting to work it out after over 2 hours (when my actual ...
4k views

Plus-Minus. Means a quantity of same magnitude can have either a positive or a negative value. As commonly found in square roots such as $$\sqrt[2]{625}= +-25$$. Here is an Wikipedia SVG-example ...
51k views

### How to type greater than or equal to symbols? [duplicate]

What are the markups for such symbols?
5k views

### where is the latex reference please [duplicate]

hi, There is a nice pretty markdown ref but no simple quick latex reference. I looked around in the faq and on meta. I also googled for some latex reference and some of it looks slightly different ...
27k views

### How to show the integral symbol on this site? [duplicate]

On this question: How do I use substitution in integrals? there are examples of what I want. I just want to show integrals on my questions like that. How can I do it?
9k views

### How to do formatting? [duplicate]

I need help with formatting like how to use logs, lims, superscripts and subscripts etc.
8k views

### Number sets symbols in Mathjax [duplicate]

How can we write number sets symbols using Mathjax? For example what's the code for Natural numbers set? I couldn't find that in a vast of Mathjax help documents,and the only one I found doesn't work: ...
5k views

### Why are (most) spaces eliminated in \mathrm formatting? [duplicate]

Why does this: $\mathrm{The quick, brown fox jumped over the lazy dog.}$ result in this: $\mathrm{The quick, brown fox jumped over the lazy dog.}$ Note ...
25k views

### How to write powers ( exponents ) in a proper way? [duplicate]

I don't how to write the powers or the exponents and the other mathematical expressions
11k views

### Cannot find how to write infinity [duplicate]

I am new here. How do I write an infinity symbol above summation symbol. I do not know how to write formula on this site. How do I write series formula? I could figure out how to write summation, but ...
2k views

### How to write mathematical symbols such as $\sum_{i=n}^\mathbb{N}$ with indices below/above the $\sum$ [duplicate]

I want to write: $\cup_{n \in \mathbb{N}}$, and $\sum_{i=n}^\mathbb{N}$. But I want them the index to be above and below the symbol, not to the side, how do I fix this?
4k views

### How to write down the equations? [duplicate]

I am new at the website. I see that there are equations in many posts as well as in the answers. I can't write down this equation in this website. But I need to write it. This may seems to off-topic....
5k views

### How to type math symbols in this forum [duplicate]

How can I type math symbols in this forum, like set operators, etc.? If this question is repeated, I am sorry I just searched and couldn't find an answer. And could anyone give me hint to use Tags ...
3k views

### How to format maths equations to display correctly [duplicate]

I am trying to find the list of Mathjax/Latex instructions on how to type equations and symbols so they display correctly on the site. ie. $2^2$ rather than 2^2
1k views

### how to write complex mathematics formula here? [duplicate]

How can i write math formula here?there is any way to write complex math formula here? I want to add math equation here but it seems no tool for writing formula.
1k views

### How to type log functions to a specific base using the math exchange [duplicate]

Say, I want to type log3 to the base 30, which LaTeX command should I use for it?
4k views

153 views

### Learn math notation for this site [duplicate]

What is the name of the language used to display math on this site, and how do I learn it? Is there a post with the basics? I find myself going to the page source to see how others have typed it. Or ...
97 views

### Need Help Creating Symbols [duplicate]

I am sorry I need to ask this, but how in the world can I insert mathematical symbols into my questions and answers such as lim, integrals, sums, etc. (I'm new)
90 views

### Writing Math equations in MSE. [duplicate]

How do I write the mathematical equations in a question, here on stack exchange? When I try to write a question which involves equations, I get stuck as I don't know how to input those equations... ...
123 views

### How to type exact sequences. [duplicate]

I want to post a question related to a proposition on exact sequences from the book by Atiyah. But I don't know how to type an exact sequence here in MathJax. I have seen few worked out complete ...
116 views

### How can I create a specific math expression on mathSE [duplicate]

This meta-query discusses the following question: Q1: How can I create a specific mathematical expression in a mathSE query? Edit Insert Much of the information that a user would want is contained in ...
85 views

### Mathjax regarding question - how to type "n-1" in subscript/superscript [duplicate]

How can I write a power (n-1) subscript (n-1) This is what is happening when I try $$(a_(n-1))^(n-1)$$ $$(a_(n-1))^(n-1)$$
102 views

### How to "write math" [duplicate]

I am very new to this site and have asked a few questions but it's become obvious that I have no idea how to "write math" on this site. I tried some tutorial on here, with /dot and using the brackets ...
58 views

### Inserting math, brackets etc [duplicate]

I'm kinda new here. May I know how I can insert math here? For example, matrices and the Greek alphabet? Sorry if it's a stupid question, I'm honestly clueless.
83 views

### Is it possible to put Mathjax symbols in bold? [duplicate]

In Michael Spivak's Calculus, he manages to typeset the mathematical symbols so that they appear in bold: Is there a way of emulating this in Mathjax? Simply enclosing text in bold doesn't work: The ...
80 views

### Hello,could you tell me how to input the symbols of mathematics in this website? [duplicate]

Some people say I need to learn to use mathjax, but I don't know about mathjax. How can I learn to use mathjax to input the symbols of mathematics,such as the symbols of integral? Thank you for ...
76 views

### Writing right for the community [duplicate]

I want to learn how to write math well in the site. I was asked not to put images but I do not know LaTex. Do anyone can help me with the correct path for learning writing right for the community? ...
73 views

### Can I use the cancel command in MSE? [duplicate]

I was typing an answer to a question here in MSE and since I did not want to write with words that the integral cancels to zero, I tried to use the command \cancel. ...
64 views

### using a matrix table for mathematical purpose [duplicate]

I need to know how to use matrices on this site for a mathematical argument, maybe this question was asked a lot, but I couldn't find the answer for this through the site, any link?
63 views

### How to write indexes in MathJax? [duplicate]

How do I write indexes in MathJax? I haven't been able to find any documentation on the topic.
59 views

### math stack exchange coding link - new user [duplicate]

Anyone can point me where I can find out how to code certain things when posting on this site, like making exponents and such - I have several questions I need to ask but have reserved them until I ...
58 views

### MathJax for a dummy [duplicate]

After I made my first post here in math.stackexchange, I decided that I could write in the proper format and not rely on some poor soul to do the work for me. I have downloaded the latest version of ...
55 views

### Question about symbols on this forum [duplicate]

So I found out it uses "latex" can I just write down the uhh formulas for the symbols I want, and it shows up after I hit the post your question button?
42 views

### MathJax info; can anyone re-direct me to the info page on this site? [duplicate]

I have misplaced my links to the MathJax instructions and can't see the link that used to be here. I especially need to remind myself of the codes for combinations. Help?
40 views

### Ordering of sub and superscripts [duplicate]

I would like to write this expression: However, I am only able to produce: $$\nabla_cR_{abc}^e$$ this is with: \nabla_cR_{abc}^e How can I write sub and ...
14k views

### List of comment templates

Inspired by this question on meta.cstheory.SE. The post at meta.Tex.SE is quite impressive. We often leave generic comments to OP and answer posters such as "if this is a homework, please add a tag," ...

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