Which famous calculator brand merger in the 1990s resulted in the creation of the first graphing calculator specifically marketed for advanced mathematics education?

The competitive landscape of calculator manufacturing shaped mathematics education throughout the late 20th century. Major brands battled for market dominance through innovation, pricing strategies, and educational partnerships. This poll tests your knowledge about a significant merger in the mathematical tools industry that changed how advanced computational devices were marketed to educational institutions.

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Texas Instruments acquired Casio's educational division
Hewlett-Packard merged with Sharp Electronics' calculator unit
Texas Instruments acquired Voyage 200, creating the TI-89 series
Casio merged with Hewlett-Packard's calculator division