Which company first introduced a graphing calculator with Computer Algebra System (CAS) capabilities that could symbolically solve equations and perform calculus operations?

In the world of mathematics education and professional computation, certain products have revolutionized how we solve, visualize, and teach mathematical concepts. The introduction of advanced graphing calculators marked a significant shift in mathematics education and professional work. This poll tests your knowledge about a pivotal product launch that changed how students and professionals approach mathematical problems and visualizations.

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Texas Instruments with the TI-92 in 1995
Casio with the fx-7000G in 1985
Hewlett-Packard with the HP-28S in 1988
Sharp with the EL-9600 in 1996