Which calculator brand first introduced Computer Algebra System (CAS) technology to the consumer mathematics education market, revolutionizing how students solve complex equations?

In the world of mathematics education and supplies, retail trends have evolved dramatically with technology. One particular mathematical tool has transformed from a luxury item to a classroom staple, revolutionizing how students approach complex calculations and graphing. This transformation represents one of the most significant retail technology advancements in mathematics education over the past few decades.

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Texas Instruments (with the TI-92 in 1995)
Casio (with the fx-2.0 in 1997)
HP (with the HP-48G+ in 1993)
Sharp (with the EL-9600 in 1996)