You may not have realised that Moodle has a built-in TeX filter that allows you to display mathematical notation. Simply surround your TeX code with double dollar signs. For example:

$$\int{\frac{1}{x}}dx=\ln|x|+C$$

is displayed as:

This works in any of Moodle's HTML editors, so you can add maths:

$$\int{\frac{1}{x}}dx=\ln|x|+C$$

is displayed as:

This works in any of Moodle's HTML editors, so you can add maths:

- when composing a web page,
- in quiz questions, reponses and feedbacks,
- in assignment instructions,
- in forum posts,
- ... and many other places.