John D. Cook • 7/6/2026

e approximation

This article discusses the approximation e ≈ 2721/1001, noting its remarkable accuracy compared to the trivial decimal truncation 2718/1000. The approximation is accurate to seven or eight significant figures, and in binary it is accurate to 21 bits despite the denominator being a 10-bit number. The content focuses on a numerical curiosity related to the mathematical constant e, which is relevant to mathematics and computer science.

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#binary #Significant Figures #Approximation