Which subscription model revolutionized access to mathematical software in academia by introducing a campus-wide licensing approach in the 1990s?

The retail landscape for mathematical tools and educational products has evolved dramatically over the decades. From basic calculators to advanced software subscriptions, companies have developed distinctive brand strategies and shopping experiences to capture the mathematics education and professional markets. Test your knowledge about the business side of mathematics products!

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Mathematica's Site License Program
MATLAB's Academic Toolbox Model
Maple's University Access Initiative
SPSS Statistical Package Sharing Program