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Learn

Pick whatever you are interested in and follow the learning path as far as you want. This is how I learn

Mathematics

Mathematics Mathematics

The systematic study of patterns, structures, and relationships using numbers, symbols, and logic. For many, just a method of torture
Physics

Physics Physics

Science that studies the constituents forming the universe, the interactions between them, and the properties of matter and energy
Computer science

Computer science Computer science

The study of algorithms, data and computation, encompassing theory, design, and applications in a wide range of fields. Leave your social life at the door
Social science

Social science Social science

The study of humans as individuals and as organised communities or societies, their behaviour and relationships (and how they mess up everything all the time)