Which mathematical software product innovation first introduced a notebook interface that combined text, code, and visualizations in the same document?

The world of mathematics education has been transformed by innovative software products over the decades. These tools have revolutionized how mathematical concepts are taught, learned, and applied across educational settings and professional fields. This trivia question tests your knowledge about a pivotal product innovation milestone in mathematical software history that changed how people interact with complex mathematics.

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Mathematica (with its Notebook interface, 1988)
MATLAB (with its Script Editor, 1984)
Maple (with its Worksheet interface, 1982)
SageMath (with its Interactive Shell, 2005)