Which innovative retail strategy did Texas Instruments implement in the 1990s that revolutionized calculator sales and established its dominance in mathematics education?

The calculator industry transformed mathematics education and professional practice through strategic product development and marketing. This poll explores how a major calculator brand revolutionized its retail strategy to capture the educational market, changing how mathematics tools were positioned and sold to different demographics. Understanding these product innovations provides insight into successful retail positioning in educational technology markets.

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Creating education-specific product lines with different calculators designed for different grade levels and subjects
Establishing exclusive deals with major retailers to prevent competitors from having shelf space in electronics stores
Offering calculators at below-cost pricing and making profit primarily through their proprietary charging cables and accessories
Implementing a subscription-based model where schools paid annual licensing fees to use their calculators in classrooms