Which groundbreaking graphing calculator, launched in 1990, became a staple in mathematics education and was the first to allow users to view and trace the exact graph of a function?

The calculator market has seen revolutionary products that transformed how we approach mathematics in education and professional settings. These devices have evolved from simple arithmetic tools to sophisticated graphing and computational powerhouses. Test your knowledge about one of the most significant product launches in mathematical computing history that changed how students and professionals approach complex problems.

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Texas Instruments TI-81
Casio fx-7000G
HP-28S
Sharp EL-5200