Wolfram: Download Wolfram Engine

Download Wolfram Engine

• https://www.wolfram.com/developer/

Difference Between WolframLang, Mathematica, WolframEngine, WolframScript

• Difference Between Wolfram Language, Mathematica, WolframEngine, WolframScript

Mathematica is Bundled with Raspberry Pi

• https://www.wolfram.com/raspberry-pi/
• https://projects.raspberrypi.org/en/projects/getting-started-with-mathematica

Buy Mathematica

Or, just buy it. Cheap for student or hobbist. I recommend it as life time investment. https://www.wolfram.com/mathematica/pricing/