Which educational technology company launched the 'NumberCrunch' campaign in 2015, featuring animated characters representing mathematical operations that became viral mascots?

In the world of mathematics education products, marketing innovations have played a crucial role in making complex concepts accessible to students worldwide. From clever visual storytelling to memorable advertising campaigns, companies have found creative ways to make math engaging. Test your knowledge about a groundbreaking product launch that revolutionized how students interact with mathematical concepts!

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Desmos, with their animated graph-building characters that responded to different equations
Wolfram Alpha, with their problem-solving superheroes who tackled increasingly difficult math challenges
GeoGebra, with their 'NumberCrunch' squad of geometric shapes that transformed into different mathematical tools
Khan Academy, with their personified number system that demonstrated operations through character interactions