Which mathematical software product pioneered the concept of a "notebook interface" that combines executable code, visualizations, equations, and narrative text in a single document?

The world of mathematics education and research has been transformed by specialized software tools. These products have revolutionized how mathematical concepts are taught, visualized, and applied across various fields. This trivia question focuses on a groundbreaking product innovation that changed how educators and students approach mathematical problems.

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Mathematica
MATLAB
R Studio
Maple