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  2. Decimal separator - Wikipedia

    en.wikipedia.org/wiki/Decimal_separator

    Symbol-specific names are also used; decimal point and decimal comma refer to a dot (either baseline or middle) and comma respectively, when it is used as a decimal separator; these are the usual terms used in English, [1] [2] [3] with the aforementioned generic terms reserved for abstract usage. [4] [5] In many contexts, when a number is ...

  3. Binary number - Wikipedia

    en.wikipedia.org/wiki/Binary_number

    The base-2 numeral system is a positional notation with a radix of 2.Each digit is referred to as a bit, or binary digit.Because of its straightforward implementation in digital electronic circuitry using logic gates, the binary system is used by almost all modern computers and computer-based devices, as a preferred system of use, over various other human techniques of communication, because ...

  4. Repdigit - Wikipedia

    en.wikipedia.org/wiki/Repdigit

    For instance, 40 is the smallest 4-Brazilian number with 40 = 1111 3 = 55 7 = 44 9 = 22 19. In the Dictionnaire de (presque) tous les nombres entiers , [ 18 ] Daniel Lignon proposes that an integer is highly Brazilian if it is a positive integer with more Brazilian representations than any smaller positive integer has.

  5. Simple continued fraction - Wikipedia

    en.wikipedia.org/wiki/Simple_continued_fraction

    The first term, as we see, is the first fraction; the first and second together give the second fraction, ⁠ 22 / 7 ⁠; the first, the second and the third give the third fraction ⁠ 333 / 106 ⁠, and so on with the rest; the result being that the series entire is equivalent to the original value.

  6. Demographics of Ottawa - Wikipedia

    en.wikipedia.org/wiki/Demographics_of_Ottawa

    In the 2021 Canadian Census, [42] 52.8% of the population belonged to Christian denominations, down from 65.4% in 2011. [43] Catholics were the most common at 30.4%, down from 38.4% in 2011. Protestants were 11.4% of the population (19.5% in 2011), while Christian orthodox were 2.1% and Christians of no specified denomination were 6.4%.

  7. Power of two - Wikipedia

    en.wikipedia.org/wiki/Power_of_two

    Two to the power of n, written as 2 n, is the number of values in which the bits in a binary word of length n can be set, where each bit is either of two values. A word, interpreted as representing an integer in a range starting at zero, referred to as an "unsigned integer", can represent values from 0 (000...000 2) to 2 n − 1 (111...111 2) inclusively.

  8. Historical racial and ethnic demographics of the United ...

    en.wikipedia.org/wiki/Historical_racial_and...

    During the American colonial period, British colonial officials conducted censuses in some of the Thirteen Colonies that included enumerations by race. [1] In addition, tax lists and other reports provided additional data and information about the racial demographics of the Thirteen Colonies during this time period.

  9. Pi - Wikipedia

    en.wikipedia.org/wiki/Pi

    The number π (/ p aɪ / ⓘ; spelled out as "pi") is a mathematical constant, approximately equal to 3.14159, that is the ratio of a circle's circumference to its diameter.It appears in many formulae across mathematics and physics, and some of these formulae are commonly used for defining π, to avoid relying on the definition of the length of a curve.