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  2. List of price index formulas - Wikipedia

    en.wikipedia.org/wiki/List_of_price_index_formulas

    A price index aggregates various combinations of base period prices (), later period prices (), base period quantities (), and later period quantities (). Price index numbers are usually defined either in terms of (actual or hypothetical) expenditures (expenditure = price * quantity) or as different weighted averages of price relatives ( p t ...

  3. Gasoline and diesel usage and pricing - Wikipedia

    en.wikipedia.org/wiki/Gasoline_and_diesel_usage...

    The largest component of the average price of $2.80/gallon of regular grade gasoline in the United States from 2012 through 2021, representing 54.8% of the price of gas, was the price of crude oil. The second largest component during the same period was taxes—federal and state taxes representing 17% of the price of gas.

  4. Diving cylinder - Wikipedia

    en.wikipedia.org/wiki/Diving_cylinder

    M18x1.5 parallel thread, which is sealed by an O-ring, and torqued to 100 to 130 N⋅m (74 to 96 lbf⋅ft) on steel cylinders, and 85 to 100 N⋅m (63 to 74 lbf⋅ft) on aluminum cylinders; [22] 3/4"x14 BSP parallel thread, [ 23 ] which has a 55° Whitworth thread form, a pitch diameter of 25.279 millimetres (0.9952 in) and a pitch of 14 ...

  5. IEEE 802.20 - Wikipedia

    en.wikipedia.org/wiki/IEEE_802.20

    An iBurst desktop wireless modem by Kyocera in 2008 for IEEE 802.20 which provides an Ethernet interface. IEEE 802.20 or Mobile Broadband Wireless Access (MBWA) was a specification by the standard association of the Institute of Electrical and Electronics Engineers (IEEE) for mobile broadband networks.

  6. EFW N-20 - Wikipedia

    en.wikipedia.org/wiki/EFW_N-20

    Since Swiss industry still had no experience with the aircraft and aerodynamics of jet aircraft, several wind tunnel models were produced. In addition, a 3/5th scale wooden glider, the EFW N-20.01 was built to allow testing of the novel wing shape; this flew on 17 April 1948. [1]

  7. Age of Empires II - Wikipedia

    en.wikipedia.org/wiki/Age_of_Empires_II

    Age of Empires II is a real-time strategy game that focuses on building towns, gathering resources, and creating armies to defeat opponents. Players conquer rival towns and empires as they advance one of 13 civilizations through four "Ages": the Dark Age, the Feudal Age, the Castle Age (representing the High Middle Ages), and the Imperial Age (reminiscent of the Renaissance)—a 1,000-year ...

  8. Task Force 20 - Wikipedia

    en.wikipedia.org/wiki/Task_Force_20

    Task Force 20 is a temporary combat force designation that has been used several times and may still be used by separate parts of the United States armed forces.The longer-established iteration was a part of the United States Second Fleet in the Atlantic from after the Second World War.

  9. String Quartets, Op. 20 (Haydn) - Wikipedia

    en.wikipedia.org/wiki/String_Quartets,_Op._20...

    Analysts trace specific musical choices in the Opus 20 quartets to these new ideas. For example, the minuet movement of the D major quartet (number 4) is replaced by a frenetic gypsy air titled "alla zingarese", full of offbeat rhythms.