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  2. Significant figures - Wikipedia

    en.wikipedia.org/wiki/Significant_figures

    For instance, if a length measurement yields 114.8 mm, using a ruler with the smallest interval between marks at 1 mm, the first three digits (1, 1, and 4, representing 114 mm) are certain and constitute significant figures. Further, digits that are uncertain yet meaningful are also included in the significant figures.

  3. Round-off error - Wikipedia

    en.wikipedia.org/wiki/Round-off_error

    When using approximation equations or algorithms, especially when using finitely many digits to represent real numbers (which in theory have infinitely many digits), one of the goals of numerical analysis is to estimate computation errors. [5] Computation errors, also called numerical errors, include both truncation errors and roundoff errors.

  4. Measurement uncertainty - Wikipedia

    en.wikipedia.org/wiki/Measurement_uncertainty

    Relative uncertainty is the measurement uncertainty relative to the magnitude of a particular single choice for the value for the measured quantity, when this choice is nonzero. This particular single choice is usually called the measured value, which may be optimal in some well-defined sense (e.g., a mean, median, or mode). Thus, the relative ...

  5. Wikipedia:Manual of Style/Dates and numbers - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Manual_of_Style/...

    Where explicit uncertainty is unavailable (or is unimportant for the article's purposes), round to an appropriate number of significant digits; the precision presented should usually be conservative. Precise values (often given in sources for formal or matter-of-record reasons) should be used only where stable and appropriate to the context, or ...

  6. Uncertainty quantification - Wikipedia

    en.wikipedia.org/wiki/Uncertainty_quantification

    Uncertainty quantification (UQ) is the science of quantitative characterization and estimation of uncertainties in both computational and real world applications. It tries to determine how likely certain outcomes are if some aspects of the system are not exactly known.

  7. Woman who zipped boyfriend in suitcase, suffocating him ... - AOL

    www.aol.com/woman-zipped-boyfriend-suitcase...

    A Florida woman who said she was playing a game with her boyfriend when she zipped him up in a suitcase and left him to die has been sentenced to life in prison.

  8. SEC plans to sue Unicoin—a sign outgoing Chair Gensler’s anti ...

    www.aol.com/finance/sec-plans-sue-unicoin-sign...

    Gary Gensler is set to leave his post in just a month’s time, but the controversial chair of the Securities and Exchange Commission is continuing his agency’s aggressive campaign against the ...

  9. Arithmetic - Wikipedia

    en.wikipedia.org/wiki/Arithmetic

    Starting from the rightmost digit, each pair of digits is added together. The rightmost digit of the sum is written below them. If the sum is a two-digit number then the leftmost digit, called the "carry", is added to the next pair of digits to the left. This process is repeated until all digits have been added. [65]