Which calculator company first introduced the affordable scientific calculator that made advanced math functions widely accessible to students in the 1970s?

The calculator market has transformed mathematics education and professional practice over the decades. What began as simple mechanical devices evolved into sophisticated computing tools that changed how we approach mathematical problems. This poll tests your knowledge about a pivotal moment in calculator brand history that revolutionized mathematics accessibility in classrooms and workplaces worldwide.

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Texas Instruments with the TI-30
Hewlett-Packard with the HP-35
Casio with the fx-10
Sharp with the EL-8