Which subscription-based mathematics platform first introduced adaptive learning algorithms that dynamically adjust problem difficulty based on individual student performance?

The world of mathematics education has been transformed by digital subscription models in recent years. As traditional textbooks give way to interactive learning platforms, companies have innovated to deliver continuous value to students, educators, and mathematics enthusiasts. This poll tests your knowledge of how subscription models have changed the landscape of mathematical learning resources.

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

ALEKS (Assessment and Learning in Knowledge Spaces), launched in 1994
Khan Academy Pro, launched in 2010
Brilliant.org, launched in 2012
Wolfram Alpha Pro, launched in 2009