# Math LaTeX does not render some text

It seems the characters in between$$can’t be shown. Please kindly check attached picture. it’s not about greek letters but we figured out the bug. We’ll work on it This one is rather weird, and hard to reproduce. If I enter the same latex twice on a page, one of them doesn’t render. I found it happens on longer latex expressions. Here is an example (it sometimes renders and sometimes doesn’t): Here is the full text for you: My latex one:$$x^2 + y^2 + z^2 + a^2 + b^2 + c^2 + e^2 + f^2 + g^2 + h^2+ h^2$$end of latex one. My latex two:$$x^2 + y^2 + z^2 + a^2 + b^2 + c^2 + e^2 + f^2 + g^2 + h^2+ h^2
end of latex two.


should be fixed in 0.8.4

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Still there.

@vicks can you attach your source document and a screenshot?

@WhiteNoise Okay its working now. Don’t know why it did not work then. Only difference is I restarted my laptop. Could that have solved the problem.

It seems some LaTeX characters are still a little glitchy.

For example, an uppercase Epsilon won’t render using \epsilon:

It will render using \mathrm{E}, however:

It does not seem to be an issue with all uppercase Greek letters. For example, \gamma works perfectly well:

Since when $\Epsilon$ is command in latex?

I assumed it was, as it’s listed on several resources - but apparently Greek uppercase letters that look exactly the same in Roman don’t have a command and just use the Roman letter.

This is a good reference for greek characters in latex:

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I’m having a hard time figuring out why some symbols aren’t getting rendered. I use typora on desktop and it uses mathjax like obsidian, but I have no issues rendering there.

As you can see in the above screenshots,

• \rarr isn’t getting rendered into right arrow
• \Z isn’t getting rendered into the integer set symbol.

And many more like \sube, \cp aren’t getting rendered.

Kindly help me out. Thanks!

Neither $\Z$ nor $\rarr$ are native latex commands.

The commands that you are listing aren’t latex commands, this is not a bug.
Perhaps you are using a set of macros that defines those commands.