Which calculator brand revolutionized mathematics retail marketing in the 1970s by creating the first specialized educational marketing department focused on classroom adoption?

The tools mathematicians use have evolved dramatically over centuries, with technology companies constantly innovating to serve this specialized market. From ancient abacuses to sophisticated software, the retail landscape for mathematical tools has seen remarkable shifts. This poll tests your knowledge about a notable product marketing strategy that revolutionized how mathematical tools were sold to students and professionals alike.

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Texas Instruments, with their strategic 'Teachers First' program that put calculators directly into mathematics classrooms
Hewlett-Packard, through their university partnership program that offered steep academic discounts
Casio, with their pioneering 'Math Made Visual' campaign that demonstrated graphing capabilities to educators
Sharp, whose 'Classroom Calculator' initiative included free teacher training and curriculum materials