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  2. 142857 - Wikipedia

    en.wikipedia.org/wiki/142857

    In the examples below, the numerators are all 1, however there are instances where it does not have to be, such as ⁠ 2 / 7 ⁠ (0. 285714). For example, consider the fractions and equivalent decimal values listed below: ⁠ 1 / 7 ⁠ = 0. 142857... ⁠ 1 / 14 ⁠ = 0.0 714285... ⁠ 1 / 28 ⁠ = 0.03 571428... ⁠ 1 / 35 ⁠ = 0.0 285714 ...

  3. Repeating decimal - Wikipedia

    en.wikipedia.org/wiki/Repeating_decimal

    For example, in duodecimal, ⁠ 1 / 2 ⁠ = 0.6, ⁠ 1 / 3 ⁠ = 0.4, ⁠ 1 / 4 ⁠ = 0.3 and ⁠ 1 / 6 ⁠ = 0.2 all terminate; ⁠ 1 / 5 ⁠ = 0. 2497 repeats with period length 4, in contrast with the equivalent decimal expansion of 0.2; ⁠ 1 / 7 ⁠ = 0. 186A35 has period 6 in duodecimal, just as it does in decimal.

  4. Bernoulli number - Wikipedia

    en.wikipedia.org/wiki/Bernoulli_number

    1 / 6 ⁠ +0.166666666 3: 0 +0.000000000 4: − ⁠ 1 / 30 ⁠ −0.033333333 5: 0 +0.000000000 6 ⁠ 1 / 42 ⁠ +0.023809523 7: 0 +0.000000000 8: − ⁠ 1 / 30 ⁠ −0.033333333 9: 0 +0.000000000 10 ⁠ 5 / 66 ⁠ +0.075757575 11: 0 +0.000000000 12: − ⁠ 691 / 2730 ⁠ −0.253113553 13: 0 +0.000000000 14 ⁠ 7 / 6 ⁠ +1.166666666 15 ...

  5. Overline - Wikipedia

    en.wikipedia.org/wiki/Overline

    An overline, overscore, or overbar, is a typographical feature of a horizontal line drawn immediately above the text. In old mathematical notation, an overline was called a vinculum, a notation for grouping symbols which is expressed in modern notation by parentheses, though it persists for symbols under a radical sign.

  6. 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 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 of ...

  7. Ternary numeral system - Wikipedia

    en.wikipedia.org/wiki/Ternary_numeral_system

    A ternary / ˈ t ɜːr n ər i / numeral system (also called base 3 or trinary [1]) has three as its base.Analogous to a bit, a ternary digit is a trit (trinary digit).One trit is equivalent to log 2 3 (about 1.58496) bits of information.

  8. Basel problem - Wikipedia

    en.wikipedia.org/wiki/Basel_problem

    The sum of the series is approximately equal to 1.644934. [3] The Basel problem asks for the exact sum of this series (in closed form ), as well as a proof that this sum is correct. Euler found the exact sum to be π 2 / 6 {\displaystyle \pi ^{2}/6} and announced this discovery in 1735.

  9. Superscripts and Subscripts - Wikipedia

    en.wikipedia.org/wiki/Superscripts_and_Subscripts

    Superscripts and Subscripts is a Unicode block containing superscript and subscript numerals, mathematical operators, and letters used in mathematics and phonetics. The use of subscripts and superscripts in Unicode allows any polynomial, chemical and certain other equations to be represented in plain text without using any form of markup like HTML or TeX.