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 $$\sqrt{625}= +-25$$. 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?
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 ...