Which pricing innovation did Wolfram Research introduce for Mathematica that revolutionized access to advanced mathematical software in educational settings?

Mathematical software is a crucial tool for educators, researchers, and professionals alike. The pricing strategies for these specialized tools often reflect their niche market position and advanced capabilities. This poll explores how well you understand the pricing models that have shaped the mathematical software industry and influenced its accessibility and adoption in academic and professional settings.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

The site license model that allowed unlimited users at a single institution
The freemium model with basic functions free and advanced features as paid add-ons
The subscription-based pricing that eliminated large upfront costs
The pay-per-solution model where users only pay for specific calculations