Which graphing calculator brand first introduced Computer Algebra System (CAS) capability to the mass market, allowing for symbolic manipulation and revolutionizing both math education and retail marketing strategies?

The introduction of advanced graphing calculators transformed mathematics education and retail markets in the 1990s and beyond. These devices created an entirely new product category that bridged educational tools with consumer technology, changing how students interact with mathematical concepts. This poll explores a pivotal moment in the retail journey of these influential math tools that dramatically altered classroom dynamics and retail marketing strategies for educational technology.

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Texas Instruments with the TI-92 in 1995
Casio with the Algebra FX 2.0 in 1996
HP with the HP 48G series in 1993
Sharp with the EL-9600c in 1997