Which mathematical technology company rebranded its logo in 2013 to incorporate the golden ratio (φ ≈ 1.618) in its design as a nod to mathematical principles?

Throughout history, mathematical tools and technologies have evolved significantly, with certain brands becoming iconic in educational settings. From slide rules to graphing calculators, these products have shaped how we learn and apply mathematics. This trivia question explores how one leading mathematical technology company transformed its corporate identity to reflect changing times while maintaining its connection to mathematical innovation.

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Texas Instruments
Wolfram Alpha
Maplesoft
Casio