Gray Codes: An Unusual Application to Trigonometry [G]

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Richard Plagge • Highline (emeritus) & Pierce Colleges | Olga Shatunova • University of Washington Tacoma

Gray codes (named after Frank Gray, who invented them in 1940s at AT&T Bell Laboratories to minimize the effect of errors in transmitting digital signals) are widely used to facilitate error correction in digital communications such as digital television and some cable TV systems. We will discuss the history and practical applications of Gray codes and introduce an unusual application to trigonometry.

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