Which pricing strategy revolutionized mathematical software distribution in the early 2000s, making tools like Mathematica and MATLAB more accessible to educational institutions?

In the world of mathematics education products, pricing strategies have evolved significantly over time. One revolutionary pricing model changed how educational software was distributed to schools and universities, making advanced mathematical tools more accessible to students worldwide. This pricing innovation created ripple effects throughout the educational technology industry that we still see today. Test your knowledge about this significant development in mathematical product pricing!

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Site licensing model with scaled pricing based on institution size
Individual student subscription model with monthly payments
Freemium model with paid upgrades for advanced features
One-time perpetual license with annual maintenance fees