Which mathematical product's retail strategy revolutionized STEM education in the 1970s by marketing directly to schools with the slogan 'A personal computer for every student'?

The tools mathematicians use have evolved dramatically over centuries, but so have the ways these tools are marketed and sold. This poll explores how retail strategies for mathematical instruments and educational products have shaped the industry and influenced mathematical education. Test your knowledge about the intersection of mathematics retail and product development!

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Texas Instruments TI-83 Graphing Calculator
HP-35 Scientific Calculator
Commodore PET Computer
Casio fx-7000G Programmable Calculator