Which mathematical software product first introduced a graphical user interface specifically designed for non-programmers, leading to widespread adoption in business analytics by the 1990s?

The market for mathematical software has transformed dramatically over the decades, with different platforms rising to prominence based on technological capabilities and market demand. This trivia question examines how consumer behavior and market trends have shaped the development and adoption of key mathematical software products that revolutionized data analysis and computational mathematics for both academic and business applications.

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MATLAB (MathWorks, 1984)
Mathematica (Wolfram Research, 1988)
SAS (Statistical Analysis System, 1976 GUI version)
SPSS (Statistical Package for the Social Sciences, 1983 version)