Which mathematical principle is commonly used in pricing strategies for educational software and mathematical tools to create perceived value and psychological appeal?

In the world of mathematical product pricing, certain strategies leverage mathematical principles to optimize sales and customer psychology. One such fascinating intersection is how mathematical constants and formulas influence modern pricing decisions. Test your knowledge about how mathematics shapes product pricing in educational technology and mathematical tools markets.

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The Golden Ratio pricing (φ ≈ 1.618), where premium versions are priced at approximately 1.6x the basic version
Euler's Number pricing (e ≈ 2.718), where each product tier increases by a factor of approximately 2.7
Pi-based pricing (π ≈ 3.14), where products are priced at multiples of $3.14 or $31.40 to appeal to mathematics enthusiasts
Fibonacci pricing, where each product tier in a lineup follows the Fibonacci sequence ratio (approximately 1.61 between consecutive terms)