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  2. Kuder–Richardson formulas - Wikipedia

    en.wikipedia.org/wiki/Kuder–Richardson_formulas

    The name of this formula stems from the fact that is the twentieth formula discussed in Kuder and Richardson's seminal paper on test reliability. [1] It is a special case of Cronbach's α, computed for dichotomous scores. [2] [3] It is often claimed that a high KR-20 coefficient (e.g., > 0.90) indicates a homogeneous test. However, like ...

  3. K&R - Wikipedia

    en.wikipedia.org/wiki/K&R

    K&R may refer to: Kernighan and Ritchie (Brian Kernighan and Dennis Ritchie) The C Programming Language, a book written by Brian Kernighan and Dennis Ritchie; K&R C, the original dialect of the C programming language, introduced by the first edition of the book; K&R indent style, used in the book; K&R Insurance, a kidnap and ransom insurance

  4. Wikipedia:Manual of Style/Mathematics - Wikipedia

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

    The semidirect product of groups K and Q should be written K × φ Q or Q × φ K where K is the normal subgroup and φ : Q → Aut(K) is the homomorphism defining the product. The semidirect product may also be written K ⋊ Q or Q ⋉ K (with the bar on the side of the non-normal subgroup) with or without the φ.

  5. Wikipedia:Manual of Style - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Manual_of_style

    In mathematics formulas, formatted using html or wikimarkup, use three unspaced dots rather than the precomposed ellipsis character as above. However, in LaTeX-formatted mathematics formulas, use the proper LaTeX markup for lowered dots (\dots, …) rather than three dots. Do not replace precomposed characters that have dots in other positions ...

  6. Double-entry bookkeeping - Wikipedia

    en.wikipedia.org/wiki/Double-entry_bookkeeping

    The accounting equation is a statement of equality between the debits and the credits. The rules of debit and credit depend on the nature of an account. For the purpose of the accounting equation approach, all the accounts are classified into the following five types: assets, capital, liabilities, revenues/incomes, or expenses/losses.

  7. List of business and finance abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_business_and...

    K – Is used as an abbreviation for 1,000. For example, $225K would be understood to mean $225,000, and $3.6K would be understood to mean $3,600. Multiple K's are not commonly used to represent larger numbers. In other words, it would look odd to use $1.2KK to represent $1,200,000. Ke – Is used as an abbreviation for Cost of Equity (COE).

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  9. Book value - Wikipedia

    en.wikipedia.org/wiki/Book_value

    In accounting, book value (or carrying value) is the value of an asset according to its balance sheet account balance. [1] For assets, the value is based on the original cost of the asset less any depreciation , amortization or impairment costs made against the asset.