Which calculator company first introduced eco-friendly packaging that incorporated the Golden Ratio (φ ≈ 1.618) in its design, winning the 2018 Sustainable Mathematics Product Packaging Award?

Product packaging in the mathematics industry has evolved significantly over the decades. From basic cardboard boxes to sophisticated designs that incorporate mathematical principles, companies have found innovative ways to package calculators, geometric instruments, and educational math tools. This poll tests your knowledge about a groundbreaking packaging innovation that revolutionized how mathematical tools are presented and preserved, combining both functional design and mathematical principles.

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Texas Instruments with their 'Fibonacci Fold' recyclable package
Casio with their 'Perfect Square' biodegradable box
HP with their 'Pythagorean Package' made from recycled materials
Sharp with their 'Pi Precision' compostable container