Which of these mathematical product launches in the 1970s was described by the New York Times as creating a 'revolution in mathematics education' and fundamentally changed how calculations were performed?

Before the digital age, mathematicians and students relied on various tools for calculations and problem-solving. One particular product launch in the 1970s revolutionized mathematics education and professional practice, making complex calculations accessible to everyone. This product fundamentally changed how mathematics was taught and practiced worldwide. Do you know which groundbreaking mathematical tool this was?

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Texas Instruments TI-30 scientific calculator (1976)
Hewlett-Packard HP-65 programmable calculator (1974)
Casio fx-7000G graphing calculator (1979)
Sharp EL-8 electronic calculator (1970)