Here are some examples how to format text.

Pages

Easiest way to create a new page is create a link to that page from another page. Then clicking to that link allows you create a new page - just enter your content and save.

Images / Files

This is similar to pages, just simply create a link to that file (please choose unique name that don't clash with other images / files), then click to that link and upload your file.

Math formulas

If you want to write a math formula, just simply write your formula in AMS-LaTeX format as

[math] formula [/math].

Examples

Here are some examples:

[math]sqrt(x_1^2 + x_2^2)[/math]

[math]sqrt(x_1^2 + x_2^2)[/math]

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[math]\alpha\cdot\beta[/math]

[math]\alpha\cdot\beta[/math]

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[math]\lim_{x \to a} f(x)[/math]

[math]\lim_{x \to a} f(x)[/math]