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Everything about Trailing zero

Zero after the final non-zero digit of a number

A trailing zero is any 0 digit that comes after the last nonzero digit in a number string in positional notation. For digits before the decimal point, the trailing zeros between the decimal point and the last nonzero digit are necessary for conveying the magnitude of a number and cannot be omitted, while leading zeros – zeros occurring before the decimal point and before the first nonzero digit – can be omitted without changing the meaning. Any zeros appearing to the right of the last non-zero digit after the decimal point do not affect its value. Thus, decimal notation often does not use trailing zeros that come after the decimal point. However, trailing zeros that come after the decimal point may be used to indicate the number of significant figures, for example in a measurement, and in that context, "simplifying" a number by removing trailing zeros would be analogous to rounding as it reduces precision; for example, 12.00 excludes the possibility that the number is rounded from 12.34, while 12 does not. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Trailing zeroA 5-minute orientation
  2. Skim a recent paper: Boundary layer tripping effects on flow and trailing-Edge noise of a NACA 0012 airfoil at zero angle of attackInfluential work since 2022
  3. Pick up a classic book: And the Band Played onThe most-reprinted book on the subject
  4. Read the landmark paper: Effects of trailing-edge serration shape on airfoil noise reduction with zero incidence angleCited 36 times
  5. Go sideways: Legendre's formulaA closely related topic
  6. Go sideways: Beatty sequenceA closely related topic

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🗂️ The subject at a glance

  1. Factorial

🏆 Landmark papers (most cited)

🆕 Influential since 2022

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