I read that Raspberry PI comes with a license of Wolfram Mathematica but it is not so clear if it is possible to use it with all the system images or only with the default one.
It seems that it is just a matter of running sudo apt-get update && sudo apt-get install wolfram-engine
as it is stated here but I'd like to have a confirmation from someone that is using it with a system other than raspian or the NOOBs packages.