With that said, I immediately got into work.

For starters, I created a function

Below is the full code

And for latex, this was the following equations: $$a + \frac{b}{v}$$

This is another inline expression $$n$$ followed by a normal expression, which align to the middle of the content:

$$ \sum_{i=0}^n i^2 = \frac{(n^2+n)(2n+1)}{6} $$