Seeing actual LaTeX \LaTeX

We have provided a simple way to view the Latex code which generates all the wonderful math equations that you see.

If you hover over an equation (place your mouse over it for a second), it appears in a box:

image image

You can test this feature with the following line of LaTeX:

eiπ+1=0,i Brilliant! e^{i \pi } + 1 = 0, \quad i \, \heartsuit \text{ Brilliant!}


Note: This does not apply to images of LaTeX that members uploaded to problems or solutions.

Update: The following functionality has been removed (explanation):

Additionally, if you click on the menu in the top right corner, and select "Toggle LaTeX", we will then display the latex code, instead of the actual equations. Selecting it again would display the equations.

This allows you to easily read see all of the latex on the page. Furthermore, you can select the text, copy, and paste it into your comment (and then edit it). This way, you can easily reference specific equations.

Refer to this video for an example.

Note by Calvin Lin
4 years, 10 months ago

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  Easy Math Editor

This discussion board is a place to discuss our Daily Challenges and the math and science related to those challenges. Explanations are more than just a solution — they should explain the steps and thinking strategies that you used to obtain the solution. Comments should further the discussion of math and science.

When posting on Brilliant:

  • Use the emojis to react to an explanation, whether you're congratulating a job well done , or just really confused .
  • Ask specific questions about the challenge or the steps in somebody's explanation. Well-posed questions can add a lot to the discussion, but posting "I don't understand!" doesn't help anyone.
  • Try to contribute something new to the discussion, whether it is an extension, generalization or other idea related to the challenge.
  • Stay on topic — we're all here to learn more about math and science, not to hear about your favorite get-rich-quick scheme or current world events.

MarkdownAppears as
*italics* or _italics_ italics
**bold** or __bold__ bold

- bulleted
- list

  • bulleted
  • list

1. numbered
2. list

  1. numbered
  2. list
Note: you must add a full line of space before and after lists for them to show up correctly
paragraph 1

paragraph 2

paragraph 1

paragraph 2

[example link](https://brilliant.org)example link
> This is a quote
This is a quote
    # I indented these lines
    # 4 spaces, and now they show
    # up as a code block.

    print "hello world"
# I indented these lines
# 4 spaces, and now they show
# up as a code block.

print "hello world"
MathAppears as
Remember to wrap math in \( ... \) or \[ ... \] to ensure proper formatting.
2 \times 3 2×3 2 \times 3
2^{34} 234 2^{34}
a_{i-1} ai1 a_{i-1}
\frac{2}{3} 23 \frac{2}{3}
\sqrt{2} 2 \sqrt{2}
\sum_{i=1}^3 i=13 \sum_{i=1}^3
\sin \theta sinθ \sin \theta
\boxed{123} 123 \boxed{123}

Comments

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            Brilliant.org\Huge\color{#ff00b3}{♛}\;\;\;\color{#ff0000}{ ❤ }\;\;\;\color{#0000ff}{\mathbf{B}}\color{#ff7f00}{\mathbf{r}}\color{#ffff00}{\mathbf{i}}\color{#00ff00}{\mathbf{l}}\color{#00ffff}{\mathbf{l}}\color{#0000ff}{\mathbf{i}}\color{#8b00ff}{\mathbf{a}}\color{#ff0000}{\mathbf{n}}\color{#ff7f00}{\mathbf{t}}\color{#ffff00}{\mathbf{.}}\color{#00ff00}{\mathbf{o}}\color{#0081ff}{\mathbf{r}}\color{#ff69b4}{\mathbf{g}}

Anastasiya Romanova - 4 years, 10 months ago

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I 100% agree... best math site in the world!

Cody Johnson - 4 years, 10 months ago

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Also Physics!

Swapnil Das - 4 years, 6 months ago

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How much time do you use to do this? I admire your determination. Seriously.

Hua Zhi Vee - 2 years, 1 month ago

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"Toggle LaTeX" isn't an option anymore. Was this intentional?

Blan Morrison - 1 year ago

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Hi @Blan Morrison – yes, it is intentional.

Silas Hundt Staff - 1 year ago

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I don’t mean to be intrusive, but would you mind explaining why that decision was made?

Blan Morrison - 1 year ago

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@Blan Morrison Not intrusive at all. We removed it for three reasons:

  1. There are many great places on the internet to learn how to write LaTeX, and we're never going to do a good job contributing in this area.
  2. It was a somewhat troublesome feature to maintain.
  3. It was actively confusing to some users – we received plenty of questions about it from users.

Note that you can still see the LaTeX that was used to generate LaTeX on the screen by hovering over it.

Silas Hundt Staff - 1 year ago

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@Silas Hundt But the hovering does not work for me

Mohmmad Farhan - 1 year ago

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@Mohmmad Farhan @Mohmmad Farhan – what browser are you using? It works for me on Chrome, Firefox, and Safari.

Silas Hundt Staff - 1 year ago

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@Silas Hundt @Silas Hundt, I am using Microsoft Edge

Mohmmad Farhan - 1 year ago

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@Silas Hundt It does not work for me anymore, sir. I use Windows 10 and Chrome. Please help.

Harsh Poonia - 6 months, 3 weeks ago

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@Silas Hundt The hover feature does not work now. Also why have you removed sets from brilliant, some of the sets (Eg Sir David Mattingly's sets) were quite useful. Now when I try to open any set, it says that the page is undefined.

Harsh Poonia - 1 month, 2 weeks ago

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@Silas Hundt How do I convert latex e.g. A={\matrix{a&b&c\d&e&f\g&h&j}} in equation format using MS word?

Thanks.

Arun Sanghvi - 1 month, 2 weeks ago

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i Brilliant! \quad i \, \heartsuit \text{ Brilliant!}

Marc Vince Casimiro - 4 years, 10 months ago

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2 Brilliant\sqrt{-\heartsuit^2}\text{ Brilliant}

Cody Johnson - 4 years, 10 months ago

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i Brilliant!\quad i \, \heartsuit \text{ Brilliant!} It worked! Thank you!

Adam Staples - 4 years, 10 months ago

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What does this mean''hover over an equation''?

Adarsh Kumar - 4 years, 10 months ago

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Put your mouse cursor on the equation and you can see the LaTeX\LaTeX form of the equation

Marc Vince Casimiro - 4 years, 10 months ago

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@Marc Vince Casimiro ok got it thanx!!

Adarsh Kumar - 4 years, 10 months ago

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With your mouse!

Silas Hundt Staff - 4 years, 10 months ago

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eiπ+1=0ibrilliant!e^{i\pi}+1=0\quad i\, \heartsuit\text{brilliant!}

vilashni mottian - 4 years, 10 months ago

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What if a user is on the Brilliant app?

Shabarish Ch - 4 years, 10 months ago

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No support in the Brilliant app yet, sorry :/ You can work around this issue by opening the page in the mobile browser and using the Toggle LaTeX menu from there.

Sorry!

Silas Hundt Staff - 4 years, 10 months ago

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Hope to see the feature added soon ,sir. @Silas Hundt

Rishu Jaar - 1 year, 11 months ago

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@Rishu Jaar Yeah me too!

Hua Zhi Vee - 1 year, 11 months ago

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Very nice. This is a great addition and is one of the many reasons why I love Brilliant. Along with that, it feels good to connect with those who have very similar interests to yours, especially at young ages.

tytan le nguyen - 4 years, 10 months ago

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Thanks for the guide, Calvin Lin. With this guide, I can post my math problems and their solutions better.

Luis Tabule - 4 years, 10 months ago

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That's the idea :)

Calvin Lin Staff - 4 years, 10 months ago

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Thanks a lot! This has been really helpful!

Aritra Jana - 4 years, 10 months ago

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Update -- we added a new option in the • • • menu on problems:

.

Silas Hundt Staff - 4 years, 10 months ago

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LaTeX LaTeX is way, way awesome! ADDICTIVE! \large{ { \color{#D61F06}{ADDICTIVE!}}}

Adam Phúc Nguyễn - 4 years, 2 months ago

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Yay! Looks great :)

Calvin Lin Staff - 4 years, 2 months ago

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I can't find the "Toggle LaTeX" command anymore. Is it still available? It's a real help to learn LaTeX!

Gabriel Chacón - 1 year ago

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Ok. Don't bother to answer. I just read the post by Blan Morrison and the replies. The toggle LaTeX command was really helpful to me. I am a bit disappointed at the decision to remove it, though I understand you have your reasons.

Gabriel Chacón - 1 year ago

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Can you make some keyboard shortcut to toggle latex?

Abhishek Sharma - 4 years, 6 months ago

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Unfortunately no, not at this moment. We will keep that in mind if a lot of people start using "Toggle Latex", and want a shortcut.

Calvin Lin Staff - 4 years, 6 months ago

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Thank you for the quick response.

Abhishek Sharma - 4 years, 6 months ago

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Hi, Did you guys remove the hover feature as well? cause it is not working

Mehdi K. - 2 months ago

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Yay, finally a feature like this! This will definitely help a lot of LaTeX newbies out there :D

EDIT: things like these still don't work yet apparently: {Equation 1Equation 2\left\{\begin{array}{l}\text{Equation 1}\\\text{Equation 2}\end{array}\right.

EDIT2: Hm, the "toggle latex" option doesn't work. It toggles everything on the main feed, but once you click on a problem, it just shows the regular latex.

Daniel Liu - 4 years, 10 months ago

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Regarding the first edit: it doesn't work on comments that you just typed in. Once you refresh the page, the latex will be displayed.

This is a screenshot of what I get on your comment:

Calvin Lin Staff - 4 years, 10 months ago

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Currently, you need to open the problem in it's own window for Toggle LaTeX to work (it doesn't work in modals).

Silas Hundt Staff - 4 years, 10 months ago

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When I write a LaTeX\LaTeX it become center alligned. What should I do? see this problem of mine https://brilliant.org/problems/stinky-hexagon/?group=aZuSp5iwOGP2&ref_id=595352

Manish Mayank - 4 years, 8 months ago

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as you can see in this comment also

Manish Mayank - 4 years, 8 months ago

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I  Brilliant.I\ \heartsuit\ Brilliant.I  Brilliant.I\ \heartsuit\ Brilliant.

Adarsh Kumar - 4 years, 10 months ago

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I  LaTeXI\ \heartsuit\ \LaTeX

Adarsh Kumar - 4 years, 10 months ago

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Wowwwwwwwwww..

Snehal Shekatkar - 4 years, 10 months ago

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Sir but how can i click on my avatar , if i click then the question disappears @Calvin Lin @Silas Hundt

sandeep Rathod - 4 years, 10 months ago

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Update -- we added the toggle LaTeX feature to problems in modal view as well.

Silas Hundt Staff - 4 years, 10 months ago

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See my comment below. You have to open the problem in a new window in other to use the Toggle Latex feature, sorry.

Silas Hundt Staff - 4 years, 10 months ago

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Thank you for this nice  addition. \textcolor{#D61F06}{nice}~~\textcolor{#20A900}{addition} .

Niranjan Khanderia - 4 years, 10 months ago

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I have always been saying

Love Math, Love Brilliant!

Ninad Akolekar - 4 years, 10 months ago

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When I write a LaTeX\LaTeX it become center alligned. What should I do? You can see this problem of mine https://brilliant.org/problems/stinky-hexagon/?group=aZuSp5iwOGP2&ref_id=595352 @Calvin Lin

Manish Mayank - 4 years, 8 months ago

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as you can see in this comment also

Manish Mayank - 4 years, 8 months ago

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Instead of using \[\] \backslash[ \quad \backslash] , use \(\) \backslash( \quad \backslash) around your Latex code instead. The former forces the equation into a newline (as you realized), but the latter allows things to continue on in the paragraph.

I've edited your comment so you can take a look at it.

Calvin Lin Staff - 4 years, 8 months ago

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Got it.

Manish Mayank - 4 years, 7 months ago

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Like it ...LATEXLATEX

Rishu Jaar - 1 year, 11 months ago

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LaTeX \LaTeX is a better command than LATEX LATEX or LaTeX LaTeX , if you ask me.

Hua Zhi Vee - 1 year, 11 months ago

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Please tell me the code, I am a smartphone user.

Rishu Jaar - 1 year, 11 months ago

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@Rishu Jaar Just type \LaTeX to do it.

Hua Zhi Vee - 1 year, 11 months ago

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@Hua Zhi Vee It works thank you. @Vee Zhi

Rishu Jaar - 1 year, 11 months ago

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@Hua Zhi Vee LaTeX\LaTeX

Rishu Jaar - 1 year, 11 months ago

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LaTeX: eiπ+1=0,Brilliant!e^{i\pi}+1=0,\quad\,\heartsuit\text{Brilliant!}

Nang Monkham - 1 year, 10 months ago

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LaTeX:iBrilliant!\quad i\,\heartsuit \text{Brilliant!}

Nang Monkham - 1 year, 10 months ago

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eiπ+1=0e^{i \pi} + 1 = 0 EULERSIDENTITY EULER'S_{IDENTITY}

A Former Brilliant Member - 1 year, 7 months ago

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$10×9×1$

Carlos Céspedes - 1 year, 2 months ago

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10 \times 9

Carlos Céspedes - 1 year, 2 months ago

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10×9=90 10\times9=90

Carlos Céspedes - 1 year, 2 months ago

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FYI I've edited your comment so that you can see how to use the Latex backets of \(\) \backslash ( \quad \backslash) around your code.

Calvin Lin Staff - 1 year, 2 months ago

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Hello What process should I use to copy equation from Brilliant to a word document including software required on a PC?

Thanks. Arun

Arun Sanghvi - 1 month, 2 weeks ago

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ai1a_{i-1}

A Former Brilliant Member - 1 year, 7 months ago

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