Which mathematical software product was the first to introduce a notebook interface that combined executable code, visualizations, and formatted text in a single document?

The world of mathematics education and research has been transformed by specialized software products over the decades. These tools have revolutionized how we teach, learn, and apply mathematical concepts across industries. This trivia question explores a pivotal moment in the development of mathematical software that changed how professionals and students interact with complex mathematical problems.

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Mathematica (1988)
MATLAB (1984)
Maple (1982)
MathCAD (1986)