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  2. Per-unit system - Wikipedia

    en.wikipedia.org/wiki/Per-unit_system

    In the power systems analysis field of electrical engineering, a per-unit system is the expression of system quantities as fractions of a defined base unit quantity. . Calculations are simplified because quantities expressed as per-unit do not change when they are referred from one side of a transformer to t

  3. West African CFA franc - Wikipedia

    en.wikipedia.org/wiki/West_African_CFA_franc

    Usage of: West African CFA franc Central African CFA franc The West African CFA franc (French: franc CFA or simply franc, ISO 4217 code: XOF; abbreviation: F.CFA) is the currency used by eight independent states in West Africa which make up the West African Economic and Monetary Union (UEMOA): Benin, Burkina Faso, Côte d'Ivoire, Guinea-Bissau, Mali, Niger, Senegal and Togo.

  4. Coupon-eligible converter box - Wikipedia

    en.wikipedia.org/wiki/Coupon-eligible_converter_box

    A coupon-eligible converter box (CECB) was a digital television adapter that met eligibility specifications for subsidy "coupons" from the United States government.The subsidy program was enacted to provide terrestrial television viewers with an affordable way to continue receiving free digital terrestrial television services after the nation's television service transitioned to digital ...

  5. Gross domestic product - Wikipedia

    en.wikipedia.org/wiki/Gross_Domestic_Product

    Gross domestic product (GDP) is a monetary measure of the total market value [1] of all the final goods and services produced and rendered in a specific time period by a country [2] or countries. [ 3 ] [ 4 ] [ 5 ] GDP is often used to measure the economic performance of a country or region. [ 2 ]

  6. Kmart - Wikipedia

    en.wikipedia.org/wiki/Kmart

    Kmart's longest lasting logo, used from 1969 to 1990. Under the leadership of executive Harry Cunningham, S.S. Kresge Company opened the first Kmart-named store, at 27,000 square feet (2,500 square meters), which was referred to by Kresge as a "bantam" Kmart and was in fact originally intended to be a Kresge store until late in the planning process, on January 25, 1962, in San Fernando ...

  7. Poverty gap index - Wikipedia

    en.wikipedia.org/wiki/Poverty_Gap_Index

    In one case, household 1 has an income of US$100 per year and household 2 has an income of US$300 per year. In second case, the two households both have annual income of US$200 per year. The poverty gap index for both cases is same (60%), even though the first case has one household, with US$100 per year income, experiencing a more severe state ...

  8. Bitcoin - Wikipedia

    en.wikipedia.org/wiki/Bitcoin

    December 4, 2024. In 2020, some major companies and institutions started to acquire bitcoin: MicroStrategy invested $250 million in bitcoin as a treasury reserve asset, [42] Square, Inc., $50 million, [43] and MassMutual, $100 million. [44] In November 2020, PayPal added support for bitcoin in the US. [45]

  9. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_Code

    The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [6] [7] [8] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [9] the pattern of the position detection markers was determined by finding the least-used sequence of ...