How do I use integral notation and matrices on this site?

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Integral notation and matrices can be written on the site using LaTeX formatting. Users can refer to the provided CTAN document for guidance on LaTeX syntax. Additionally, double-clicking on existing mathematical expressions allows users to view the code used to create them. This method provides a practical way to learn and replicate the formatting. Understanding these tools is essential for effectively presenting mathematical content on the platform.
binarybob0001
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I need to ask this question before I have another physics question to ask. How can I write out integral notation on this site or matrices? I could not find a help document on using this editor, sorry.
 
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