Unverified50% confidenceFactExact time
1/e ≈ 0.368，1/√e ≈ 0.607。
1
Sources
50%
Confidence
Long-term
Relevance
10/14/2026
First Seen
Sources
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Related Claims
UnverifiedThe actual result of the floating-point operation 0.1 + 0.2 is 0.30000000000000004, not the exact value 0.3.71% similarUnverifiedWhen the cumulative sum reaches 1.0, the smallest change representable by FP32 is 1 ULP = 2⁻²³ ≈ 0.00000012.62% similarUnverifiedThe difference between π/8 and the precise conversion factor 0.393701 is approximately 0.00100, a relative error of about 0.25%.61% similarUnverifiedFor double-precision floating-point numbers, one ULP near the value 1.0 is approximately 2^-52 ≈ 2.22×10^-16.61% similarUnverifiedCrouzeix himself proved in 2007 that the constant does not exceed 1+√2 (approximately 2.414).60% similar
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