Which calculator company was the first to introduce a graphing calculator specifically designed for mathematics education in 1985, revolutionizing how students learned advanced mathematical concepts?

Before powerful computer software and digital tools dominated the mathematical world, various companies created specialized products that revolutionized how calculations were performed. These tools shaped mathematical education and professional practice for generations. This poll explores the interesting history behind one such iconic mathematical product brand that changed how we approach computation. Test your knowledge about the evolution of mathematical tools and the companies that created them!

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Casio, with their fx-7000G model
Texas Instruments, with their TI-81 model
Hewlett-Packard, with their HP-28C model
Sharp, with their EL-5200 model