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  2. Roman numerals - Wikipedia

    en.wikipedia.org/wiki/Roman_numerals

    Numerals in documents and inscriptions from the Middle Ages sometimes include additional symbols, which today are called "medieval Roman numerals". Some simply substitute another letter for the standard one (such as " A " for " V ", or " Q " for " D "), while others serve as abbreviations for compound numerals (" O " for " XI ", or " F " for ...

  3. Numeral system - Wikipedia

    en.wikipedia.org/wiki/Numeral_system

    A numeral system is a writing system for expressing numbers; that is, a mathematical notation for representing numbers of a given set, using digits or other symbols in a consistent manner. The same sequence of symbols may represent different numbers in different numeral systems. For example, "11" represents the number eleven in the decimal or ...

  4. List of numeral systems - Wikipedia

    en.wikipedia.org/wiki/List_of_numeral_systems

    Using all numbers and all letters except I and O; the smallest base where ⁠ 1 / 2 ⁠ terminates and all of ⁠ 1 / 2 ⁠ to ⁠ 1 / 18 ⁠ have periods of 4 or shorter. 35 Covers the ten decimal digits and all letters of the English alphabet, apart from not distinguishing 0 from O.

  5. Roman numeral analysis - Wikipedia

    en.wikipedia.org/wiki/Roman_numeral_analysis

    In music theory, Roman numeral analysis is a type of harmonic analysis in which chords are represented by Roman numerals, which encode the chord's degree and harmonic function within a given musical key . Specific notation conventions vary: some theorists use uppercase numerals (e.g. I, IV, V) to represent major chords, and lowercase numerals ...

  6. History of ancient numeral systems - Wikipedia

    en.wikipedia.org/wiki/History_of_ancient_numeral...

    t. e. Number systems have progressed from the use of fingersand tally marks, perhaps more than 40,000 years ago, to the use of sets of glyphsable to represent any conceivable number efficiently. The earliest known unambiguous notations for numbers emerged in Mesopotamiaabout 5000 or 6000 years ago. Prehistory.

  7. Arabic numerals - Wikipedia

    en.wikipedia.org/wiki/Arabic_numerals

    The reception of Arabic numerals in the West was gradual and lukewarm, as other numeral systems circulated in addition to the older Roman numbers. As a discipline, the first to adopt Arabic numerals as part of their own writings were astronomers and astrologists, evidenced from manuscripts surviving from mid-12th-century Bavaria.

  8. Genealogical numbering systems - Wikipedia

    en.wikipedia.org/wiki/Genealogical_numbering_systems

    The system was created in 1870 for use in the New England Historical and Genealogical Registerpublished by the New England Historic Genealogical Societybased in Boston, Massachusetts. Register Style, of which the numbering system is part, is one of two major styles used in the U.S. for compiling descending genealogies.

  9. Bible citation - Wikipedia

    en.wikipedia.org/wiki/Bible_citation

    For example, Paul's First Epistle to the Corinthians may be written as "I Corinthians", using the Roman numeral "I" rather than the Arabic numeral "1". [3] The Christian Writer's Manual of Style , however, recommends using Arabic numerals for numbered books, as in "2 Corinthians" rather than "II Corinthians".