Which Texas Instruments calculator model, released in 1990, was the first graphing calculator to gain widespread adoption in U.S. high school mathematics classrooms?

Texas Instruments revolutionized mathematics education and professional computation with their groundbreaking calculators. From their first electronic handheld calculator in 1967 to the iconic TI-84 series found in classrooms worldwide today, TI has shaped how we learn and apply mathematical concepts. Test your knowledge about this innovative company that bridged consumer electronics with mathematical education.

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TI-83
TI-92
TI-81
TI-85