Description: Brilliant.org is an online platform that offers math and science problems and courses to help people improve their logical reasoning and problem-solving abilities. It uses interactive quizzes and puzzles to make STEM subjects more engaging.
Type: software
Description: The Encyclopaedia of Mathematics is a comprehensive online reference work containing over 8,000 detailed entries on mathematical topics ranging from abstract algebra to probability theory. It includes definitions, explanations, formulas, theorems, references, and examples.
Type: software