Which of these calculating devices was the first to be mass-produced specifically for the mathematics education market, revolutionizing how students approached complex calculations in the 1970s?

Throughout history, certain mathematical products and tools have revolutionized how we solve problems and understand our world. These innovations have transformed education, research, and industry applications of mathematics. This trivia question focuses on a pivotal product development that changed the landscape of mathematical problem-solving. Test your knowledge about the history of mathematical tools and their impact on society!

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Texas Instruments TI-30 scientific calculator (1976)
Hewlett-Packard HP-35 scientific calculator (1972)
Casio fx-7000G graphing calculator (1985)
IBM 608 electronic calculator (1955)