Which calculator brand revolutionized mathematics education in the 1990s with its 'Solve Any Problem' advertising campaign that introduced graphing capabilities to the mass market?

The intersection of mathematics and retail is more significant than many realize! Math concepts drive pricing strategies, inventory optimization, consumer behavior modeling, and market analytics. Behind many successful retail innovations are sophisticated mathematical models that optimize everything from store layouts to personalized recommendations. Test your knowledge about how mathematical concepts have been marketed and sold to the public, from educational products to groundbreaking tools that changed how we learn and apply math.

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Texas Instruments (with the TI-83 series)
Casio (with the FX-7000G series)
HP (with the HP-48G series)
Sharp (with the EL-9600 series)