Which mathematics learning platform was the first to introduce a subscription-based model that included adaptive learning algorithms to personalize math education at scale?

Mathematics education has been transformed by digital subscription platforms that offer interactive problem-solving, personalized learning paths, and advanced analytics. These platforms have revolutionized how students learn and how educators teach mathematical concepts. But which company pioneered this subscription revolution in mathematics education? Test your knowledge of the business side of mathematical learning tools!

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ALEKS (Assessment and Learning in Knowledge Spaces), launched by McGraw Hill in 1994
Khan Academy Premium, launched in 2006
IXL Learning, founded in 1998
Brilliant.org, launched in 2012