Which company first introduced the handheld scientific calculator, revolutionizing both mathematics education and the consumer electronics market in 1972?

The history of calculators represents one of the most significant technological shifts in mathematics education and professional practice. From abacuses to digital devices, calculating tools have transformed how we approach numerical problems. This poll tests your knowledge about a pivotal moment in calculator history that changed the mathematics industry and education landscape forever.

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Texas Instruments with the TI-2500
Hewlett-Packard with the HP-35
Casio with the fx-1
Sharp with the EL-8