Which famous calculator company's 1970s marketing campaign featured the slogan 'A Machine That Doesn't Give You Answers, But Teaches You How To Think'?

Throughout history, some mathematical products and tools have been marketed with innovative campaigns that helped shape how we learn and use math today. From ancient counting tools to modern calculators and software, the marketing of these products has often reflected the mathematical values of precision, elegance, and problem-solving. Test your knowledge about these famous mathematical product marketing moments!

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Texas Instruments with the TI-30
Hewlett-Packard with the HP-35
Casio with the fx-7000G
Sharp with the EL-500