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  2. Template:Big Sigma - Wikipedia

    en.wikipedia.org/wiki/Template:Big_Sigma

    Mathematical notation uses a symbol that compactly represents summation of many similar terms: the summation symbol, , an enlarged form of the upright capital Greek letter sigma. This is defined as = a i = a m + a m + 1 + a m + 2 + ... + a n - 1 + a n

  3. Summation notation - Wikipedia

    en.wikipedia.org/wiki/Summation_notation

    Print/export Download as PDF; Printable version; ... Summation notation may refer to: Capital-sigma notation, mathematical symbol for ...

  4. Symbolab - Wikipedia

    en.wikipedia.org/wiki/Symbolab

    Symbolab is an answer engine [1] that provides step-by-step solutions to mathematical problems in a range of subjects. [2] It was originally developed by Israeli start-up company EqsQuest Ltd., under whom it was released for public use in 2011. In 2020, the company was acquired by American educational technology website Course Hero. [3] [4]

  5. Addition - Wikipedia

    en.wikipedia.org/wiki/Addition

    Download as PDF; Printable version; ... of related numbers can be expressed through capital sigma notation, ... operational mechanical calculator in the 17th ...

  6. Standard deviation - Wikipedia

    en.wikipedia.org/wiki/Standard_deviation

    Download as PDF; Printable version; In other projects ... by using summation notation, ... Particle physics conventionally uses a standard of "5 sigma" for the ...

  7. Sigma notation - Wikipedia

    en.wikipedia.org/?title=Sigma_notation&redirect=no

    Summation#Capital-sigma notation To a section : This is a redirect from a topic that does not have its own page to a section of a page on the subject. For redirects to embedded anchors on a page, use {{ R to anchor }} instead .

  8. 68–95–99.7 rule - Wikipedia

    en.wikipedia.org/wiki/68–95–99.7_rule

    In the empirical sciences, the so-called three-sigma rule of thumb (or 3 σ rule) expresses a conventional heuristic that nearly all values are taken to lie within three standard deviations of the mean, and thus it is empirically useful to treat 99.7% probability as near certainty.

  9. Template:Sigma - Wikipedia

    en.wikipedia.org/wiki/Template:Sigma

    This template displays the Greek letter sigma for use in mathematical equations. Template parameters [Edit template data] Parameter Description Type Status Uppercase uc uppercase Whether or not the character displayed is uppercase. Unknown optional No italic noitalic Whether or not the character displayed is not italic. Unknown optional var var Whether to use the variation of the character for ...