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  2. Roman numerals - Wikipedia

    en.wikipedia.org/wiki/Roman_numerals

    In music, Roman numerals are used in several contexts: Movements are often numbered using Roman numerals. In Roman numeral analysis, harmonic function is identified using Roman numerals. Individual strings of stringed instruments, such as the violin, are often denoted by Roman numerals, with higher numbers denoting lower strings.

  3. 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.

  4. Subdominant - Wikipedia

    en.wikipedia.org/wiki/Subdominant

    In Roman numeral analysis, the subdominant chord is typically symbolized by the Roman numeral "IV" in a major key, indicating that the chord is a major triad. In a minor key, it is symbolized by "iv", indicating that the chord is a minor triad.

  5. Crossword abbreviations - Wikipedia

    en.wikipedia.org/wiki/Crossword_abbreviations

    Roman numerals: for example the word "six" in the clue might be used to indicate the letters VI The name of a chemical element may be used to signify its symbol; e.g., W for tungsten The days of the week; e.g., TH for Thursday

  6. IV - Wikipedia

    en.wikipedia.org/wiki/IV

    4 (number) in Roman numerals Four-Phase Systems , a computer company whose logo was a stylized "IV" International Viewpoint , an online magazine of the Trotskyist reunified Fourth International

  7. Mark (designation) - Wikipedia

    en.wikipedia.org/wiki/Mark_(designation)

    In British military practice, Mark ("Mk") designations were given in Roman numerals (replaced by Arabic numerals in 1944) to reflect variants of or production changes to service weaponry, either on their own or as part of numerical ("No.") designations; in the Lee-Enfield rifle series for example, the SMLE rifles were produced to Mk I, Mk III, and Mk V specification (with the latter two later ...

  8. How implied volatility works with options trading

    www.aol.com/finance/implied-volatility-works...

    When IV is low, buying options might be more cost-effective because they’re usually cheaper. Calculating fair value: By comparing implied volatility with historical volatility, you can determine ...

  9. IUPAC nomenclature of inorganic chemistry - Wikipedia

    en.wikipedia.org/wiki/IUPAC_nomenclature_of...

    In these cases the oxidation number (the same as the charge) of the metal ion is represented by a Roman numeral in parentheses immediately following the metal ion name. For example, in uranium(VI) fluoride the oxidation number of uranium is 6. Another example is the iron oxides. FeO is iron(II) oxide and Fe 2 O 3 is iron(III) oxide.