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  2. Significant figures - Wikipedia

    en.wikipedia.org/wiki/Significant_figures

    The rule to calculate significant figures for multiplication and division are not the same as the rule for addition and subtraction. For multiplication and division, only the total number of significant figures in each of the factors in the calculation matters; the digit position of the last significant figure in each factor is irrelevant.

  3. Talk:Significant figures - Wikipedia

    en.wikipedia.org/wiki/Talk:Significant_figures

    The idea that the number of digits represents something about precision is flat out wrong, and following sig fig rules always results in poorer estimates. In the "Relationship to accuracy and precision in measurement" section it states that significant figures are more related to precision than accuracy, which glosses over the fact that it ...

  4. List of rules of inference - Wikipedia

    en.wikipedia.org/wiki/List_of_rules_of_inference

    Each logic operator can be used in an assertion about variables and operations, showing a basic rule of inference. Examples: The column-14 operator (OR), shows Addition rule : when p =T (the hypothesis selects the first two lines of the table), we see (at column-14) that p ∨ q =T.

  5. Standard operating procedure - Wikipedia

    en.wikipedia.org/wiki/Standard_operating_procedure

    A standard operating procedure (SOP) is a set of step-by-step instructions compiled by an organization to help workers carry out routine operations. [1] SOPs aim to achieve efficiency, quality output, and uniformity of performance, while reducing miscommunication and failure to comply with industry regulations.

  6. SigFig - Wikipedia

    en.wikipedia.org/wiki/Sigfig

    Significant figures, the digits of a number that carry meaning contributing to its measurement resolution Topics referred to by the same term This disambiguation page lists articles associated with the title SigFig .

  7. SigFig (company) - Wikipedia

    en.wikipedia.org/wiki/SigFig_(company)

    SigFig (formerly Wikinvest) is a financial technology company based in San Francisco that builds robo-advisory and customer engagement software. SigFig's robo advice platform is available directly to consumers via web and mobile app. SigFig also white-labels its platforms to financial institutions, including Wells Fargo and UBS.

  8. Geomantic figures - Wikipedia

    en.wikipedia.org/wiki/Geomantic_figures

    The sixteen geomantic figures. The 16 geomantic figures are primary symbols utilized in geomancy, an ancient divinatory practice.Each figure consists of four lines representing the classical elements and can be interpreted through various methods and questions.

  9. Six operations - Wikipedia

    en.wikipedia.org/wiki/Six_operations

    In mathematics, Grothendieck's six operations, named after Alexander Grothendieck, is a formalism in homological algebra, also known as the six-functor formalism. [1] It originally sprang from the relations in étale cohomology that arise from a morphism of schemes f : X → Y .