Don't worry about the language, as long as you're able to communicate what you think, there isn't any problem.

For special symbols and characters,

LaTeX is used in this forum.

`[math]\frac{1}{2}[/math]`

would produce

and

`[math]\int sin^{n}(x)dx[/math]`

would produce

This link would help you in knowing LaTeX.

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