Which mathematical algorithm revolutionized retail point-of-sale systems by enabling the scanning and quick identification of products through Universal Product Codes (UPCs)?

In the world of retail, mathematical principles drive many strategic decisions—from inventory management to store layouts. But did you know that mathematics has transformed how retailers approach point-of-sale systems? This trivia question explores a groundbreaking mathematical algorithm that revolutionized retail checkout efficiency and is now standard in most modern stores. Test your knowledge about where retail technology and mathematics intersect!

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Fast Fourier Transform (FFT)
Cyclic Redundancy Check (CRC)
Dijkstra's Shortest Path Algorithm
K-means Clustering Algorithm