Unverified50% confidenceFactExact time
ULP (Unit in the Last Place) refers to the smallest interval representable by a floating-point number at its current value, and its magnitude depends on the scale of the value itself.
1
Sources
50%
Confidence
Long-term
Relevance
9/11/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedFor double-precision floating-point numbers, one ULP near the value 1.0 is approximately 2^-52 ≈ 2.22×10^-16.64% similarUnverifiedWhen the cumulative sum reaches 1.0, the smallest change representable by FP32 is 1 ULP = 2⁻²³ ≈ 0.00000012.63% similarUnverifiedIn DECIMAL(p,s), p represents the total number of significant digits and s represents the number of decimal places; for example, DECIMAL(10,2) can store a maximum value of 99999999.99.63% similarUnverified戴德金完备性指实数轴上每一个有上界的非空子集都有最小上界（上确界）61% similarUnverifiedBoundary value analysis focuses on the boundary points of value ranges, such as the minimum value, minimum value minus 1, maximum value, and maximum value plus 1.60% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/908850API
curl https://kongchang.com/api/v1/knowledge/claims/908850MCP
get_claim(id=908850)