# Fundamental Functions

Learn some useful functionalities of Clojure’s standard main library.

## We'll cover the following

As we already know, `clojure.core`

is the main fundamental library of Clojure, and it has lots and lots of available functions. So let’s try to see the main ones separated by their responsibilities.

## Arithmetic

These are the functions related to math calculations. They’re available without having to import anything.

Get hands-on with 1200+ tech skills courses.