Which mathematical product launch in the 1970s was marketed as 'a computer in your pocket' and revolutionized accessibility to complex calculations in schools and businesses?

The mathematics industry has seen numerous product innovations that have transformed how we learn, teach, and apply mathematical concepts. From ancient calculating devices to modern computational tools, these products have democratized mathematics and made complex calculations accessible to everyone. Test your knowledge about a groundbreaking product launch that revolutionized mathematical accessibility in educational settings and beyond!

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Texas Instruments TI-30 scientific calculator (1976)
Hewlett-Packard HP-35 scientific calculator (1972)
Casio fx-7000G graphing calculator (1985)
Sharp EL-8 electronic calculator (1969)