# Tag Info

### A question has been closed as not being about mathematics

The question was closed with the close reason "This question is not about mathematics, within the scope defined in the help center." The close reason states that the question is out of ...
• 24k
Accepted

### How to rotate text by 180° and or mirror it in Math.SE?

Essentially from the post linked by hardmath, Is it possible for me to rotate symbols and operations? Horizontal mirror: ...
• 31.2k

### How can I use $\LaTeX$ symbol \Perp (from pxfonts/txfonts) in mathjax?

The solutions using the negative space \! gave me problems with wrong spacing in mathjax, and I wanted to avoid setting up a font just for this, so I found the ...

### How do you render a closed surface double integral?

Using @Ruslan's suggestion based on this post, I came up with these for both double and triple closed integrals: ...
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