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##### Dropbox Paper + LaTeX equations (math environment)

01-31-2017
04:27 AM

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Hello!

I just received an invite to use Dropbox Paper and I almost fell out of my chair when I saw that you guys have inserted the LaTeX support on it! By simply typing $$ I can write Math equations. As a Math teacher, I am very pleased right now!

I do have one question though: Since most of the exercises I elaborate have multiple lines on their solution (in which I use *align* or *equation*), I cannot type for example

\begin{align*}

\lim_{x \to 0} \frac{x^2}{1-cos(x)} &= \lim_{x \to 0} \cancelto{0/0}{\frac{x^2}{1-cos(x)}} \\

&= \stackrel{L'H}{=} \lim_{x \to 0} \frac{[x^2]'}{[1-cos(x)]'}\\

&= \lim_{x \to 0} \cancelto{0/0}{\frac{2x}{sin(x)}} \\

&\stackrel{L'H}{=} \lim_{x \to 0} \frac{[2x]'}{[sin(x)]'} \\

&= \lim_{x \to 0} \frac{2}{cos(x)} \\

&= 2

\end{align*}

Is there a way to do that? Or was that feature not built inside Dropbox Paper?

Thank you.

5 Replies

01-31-2017
05:45 AM

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Hi there,

Thanks for posting on Dropbox Forum!

We're so happy that you're excited for the new LaTeX feature.

Please have a look at this link https://khan.github.io/KaTeX/. It may help address your question.

Thank you,

Vivian

*Did you find my post helpful? If it answers your question, please mark 'Accept as Solution" below so other users can find it quickly! *

01-31-2017
06:03 AM

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Hi Vivian, how are you?

I am not ure how this link would be helpful. I understand that KaTeX is a solution for browsers but, what I am asking is about the possibility of typing multiline, robust LaTeX equations on Dropbox Paper.

Best Regards.

02-08-2017
06:02 AM

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Using the aligned (\begin{aligned}) environment would render the equation itself multiline with proper aligning around the &= but I'm not sure if it's possible to enter line breaks in the code for the equation (which means it would quickly become very unreadable). There's also this not-terribly-up-to-date list of functions that KaTeX supports.

02-08-2017
06:10 AM

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Thank you Nielz, I believe that the bottom line, as you said, is that there is no way to break a line.

Best Regards!

Saturday

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I found your post looking for something similar and, after reading the KaTeX doc, was able to write aligned multi-line equations with the **aligned** function. Thanks!

For instance, try

$$\begin{aligned} x &= 8 \\ &= 5\end{aligned}$$

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