# KaTeX demo

Including mathematical notations in your post is possible thanks to KaTeX.
To add a math notation all you need to do is add $$signs at the beginning and end of the notation. An example for you guys,$$f(x) = \int_{-\infty}^\infty \hat f(\xi)\,e^{2 \pi i \xi x} \,d\xi

Will produce the following notations,

$f(x) = \int_{-\infty}^\infty \hat f(\xi)\,e^{2 \pi i \xi x} \,d\xi$

Math can be fun for sure!

Date: July 8, 2021
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