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

In the world of mathematics education and research, certain software products have revolutionized how we solve problems, visualize concepts, and teach mathematical thinking. From computer algebra systems to dynamic geometry software, these tools have transformed mathematical practice across education and industry. This trivia question explores a pivotal moment in mathematical software history that changed how we interact with complex mathematics.

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Mathematica (by Wolfram Research)
MATLAB (by MathWorks)
Maple (by Maplesoft)
GeoGebra (by International GeoGebra Institute)