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  2. Algorithm - Wikipedia

    en.wikipedia.org/wiki/Algorithm

    Flowchart of using successive subtractions to find the greatest common divisor of number r and s. In mathematics and computer science, an algorithm (/ ˈ æ l ɡ ə r ɪ ð əm / ⓘ) is a finite sequence of mathematically rigorous instructions, typically used to solve a class of specific problems or to perform a computation. [1]

  3. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    [2] [3] Historically, the concept of a proof and its associated mathematical rigour first appeared in Greek mathematics , most notably in Euclid 's Elements . [ 4 ] Since its beginning, mathematics was primarily divided into geometry and arithmetic (the manipulation of natural numbers and fractions ), until the 16th and 17th centuries, when ...

  4. Abacus - Wikipedia

    en.wikipedia.org/wiki/Abacus

    It is a slab of white marble 149 cm (59 in) in length, 75 cm (30 in) wide, and 4.5 cm (2 in) thick, on which are 5 groups of markings. In the tablet's center is a set of 5 parallel lines equally divided by a vertical line, capped with a semicircle at the intersection of the bottom-most horizontal line and the single vertical line.

  5. Interstate 90 in Washington - Wikipedia

    en.wikipedia.org/wiki/Interstate_90_in_Washington

    [114] [145] [146] Contracts to construct the elevated freeway were divided into two-block segments, beginning with Maple and Cedar streets in September 1965. [147] The 9-mile (14 km) western section from Four Lakes near Cheney to Maple Street in Spokane was opened to traffic on December 7, 1965, along with expressways for US 2 and US 195. [148]

  6. Gini coefficient - Wikipedia

    en.wikipedia.org/wiki/Gini_coefficient

    In economics, the Gini coefficient (/ ˈ dʒ iː n i / JEE-nee), also known as the Gini index or Gini ratio, is a measure of statistical dispersion intended to represent the income inequality, the wealth inequality, or the consumption inequality [2] within a nation or a social group. It was developed by Italian statistician and sociologist ...

  7. List of sovereign states by tax revenue to GDP ratio - Wikipedia

    en.wikipedia.org/wiki/List_of_sovereign_states...

    For a few countries where the official exchange rate does not reflect the rate effectively applied to actual foreign exchange transactions, an alternative conversion factor is used. [2] Tax revenue refers to compulsory transfers to the central government for public purposes.

  8. Water - Wikipedia

    en.wikipedia.org/wiki/Water

    The US Institute of Medicine recommends that, on average, men consume 3 litres (0.66 imp gal; 0.79 US gal) and women 2.2 litres (0.48 imp gal; 0.58 US gal); pregnant women should increase intake to 2.4 litres (0.53 imp gal; 0.63 US gal) and breastfeeding women should get 3 liters (12 cups), since an especially large amount of fluid is lost ...

  9. Hinduism - Wikipedia

    en.wikipedia.org/wiki/Hinduism

    Hinduism (/ ˈ h ɪ n d u ˌ ɪ z əm /) [1] is an umbrella term [2] [3] [a] for a range of Indian religious and spiritual traditions (sampradayas) [4] [note 1] that are unified by adherence to the concept of dharma, a cosmic order maintained by its followers through rituals and righteous living, [5] [6] [7] [b] as first expounded in the Vedas.