Although it is entirely possible to prove that

without any kind of visual aid, it is certainly useful to also prove it visually.

# The visual aid

The sum of squares can be visually represented as follows:

Although it is entirely possible to prove that

without any kind of visual aid, it is certainly useful to also prove it visually.

The sum of squares can be visually represented as follows:

A simple installation guide

While Neovim can indeed be installed from the corresponding Ubuntu package, there are attractive reasons to install this awesome text editor from source:

- Access to the latest features of Neovim
- Install Neovim in the location you wish

(1) Install the build prerequisites:

`sudo apt-get install ninja-build…`

The quadratic formula is one of the most useful formulas that are taught since high school, and for good reason. This formula allows to find the values of *x* for which a quadratic equation equals *0*.

However, where does this formula come from and how does it relate to the…