Which calculator company first introduced the graphing calculator to the mass market in 1985, revolutionizing mathematics education?

Before powerful smartphones and computers, dedicated calculating devices revolutionized mathematics education and professional computation. One particular calculator brand became synonymous with mathematics education and transformed how students learned advanced math concepts. This poll tests your knowledge about a pivotal moment in the intersection of retail product development and mathematics education.

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

Texas Instruments (with the TI-81)
Casio (with the fx-7000G)
Hewlett-Packard (with the HP-28C)
Sharp (with the EL-5200)