Which mathematical software product broke retail records in the 1990s by becoming the first math tool to sell over 1 million licenses through educational retailers in its first year?

The educational mathematics software market has evolved dramatically over the decades, with certain products reshaping how mathematics is taught and learned. Major retailers and educational suppliers have seen interesting trends in consumer purchasing behavior for these products. Test your knowledge about the retail history of mathematical software tools that transformed the industry!

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Mathematica by Wolfram Research
Texas Instruments Graphing Calculator Software
MATLAB by MathWorks
Maple by Maplesoft