Which calculator product launch in the 1990s revolutionized mathematics education by introducing Computer Algebra System (CAS) capabilities to high school students?

The mathematics education landscape has been shaped by various technological innovations over decades. From slide rules to graphing calculators, these tools have revolutionized how students learn and apply mathematical concepts. This poll explores a pivotal moment in mathematics education history when a particular product launch dramatically changed classroom dynamics and made advanced mathematics more accessible to students worldwide.

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TI-92 with its symbolic manipulation capabilities (1995)
Casio fx-7000G, the world's first graphing calculator (1992)
HP-48GX with expandable memory cards (1993)
Sharp EL-9600C with color display capabilities (1997)