Which mathematical software product first introduced the concept of a 'notebook interface' that combines code, text, and visualizations, revolutionizing how mathematics is taught and communicated?

The world of mathematics has been transformed by specialized software tools that have revolutionized how students learn, professionals work, and researchers explore complex problems. These products have shaped modern mathematics education and practice through innovative features and strategic positioning in the academic and professional markets. Test your knowledge about one of the most significant product innovations in mathematical software history!

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Mathematica (by Wolfram Research, 1988)
MATLAB (by MathWorks, 1984)
Maple (by Waterloo Maple Inc., 1982)
SPSS (by IBM, 1968)