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  2. Liber Abaci - Wikipedia

    en.wikipedia.org/wiki/Liber_Abaci

    For instance, 1/3+1/4 = 7/12, so a notation like would represent the number that would now more commonly be written as the mixed number , or simply the improper fraction . Notation of this form can be distinguished from sequences of numerators and denominators sharing a fraction bar by the visible break in the bar.

  3. Mensural notation - Wikipedia

    en.wikipedia.org/wiki/Mensural_notation

    The system of note types used in mensural notation closely corresponds to the modern system. The mensural brevis is nominally the ancestor of the modern double whole note (breve); likewise, the semibrevis corresponds to the whole note (semibreve), the minima to the half note (minim), the semiminima to the quarter note (crotchet), and the fusa to the eighth note (quaver).

  4. Twentieth-century theatre - Wikipedia

    en.wikipedia.org/wiki/Twentieth-century_theatre

    Twentieth-century theatre describes a period of great change within the theatrical culture of the 20th century, mainly in Europe and North America. There was a widespread challenge to long-established rules surrounding theatrical representation; resulting in the development of many new forms of theatre, including modernism, expressionism, impressionism, political theatre and other forms of ...

  5. Musical notation - Wikipedia

    en.wikipedia.org/wiki/Musical_notation

    8 (six beats per bar, with each beat being an eighth note) and 12 8 (twelve beats per bar, with each beat being an eighth note; in practice, the eighth notes are typically put into four groups of three eighth notes. 12 8 is a compound time type of time signature). Many other time signatures exist, such as 2 2 or 3 8.

  6. Numeral system - Wikipedia

    en.wikipedia.org/wiki/Numeral_system

    For example, "11" represents the number eleven in the decimal or base-10 numeral system (today, the most common system globally), the number three in the binary or base-2 numeral system (used in modern computers), and the number two in the unary numeral system (used in tallying scores). The number the numeral represents is called its value.

  7. List of numeral systems - Wikipedia

    en.wikipedia.org/wiki/List_of_numeral_systems

    This is the minimum number of characters needed to encode a 32 bit number into 5 printable characters in a process similar to MIME-64 encoding, since 85 5 is only slightly bigger than 2 32. Such method is 6.7% more efficient than MIME-64 which encodes a 24 bit number into 4 printable characters. 89

  8. List of musical works in unusual time signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_musical_works_in...

    This is a list of musical compositions or pieces of music that have unusual time signatures. "Unusual" is here defined to be any time signature other than simple time signatures with top numerals of 2, 3, or 4 and bottom numerals of 2, 4, or 8, and compound time signatures with top numerals of 6, 9, or 12 and bottom numerals 4, 8, or 16.

  9. Note value - Wikipedia

    en.wikipedia.org/wiki/Note_value

    Note Rest American name British name Relative value Dotted value Double dotted value Triple dotted value; large, duplex longa, or maxima [1] [2] (occasionally octuple note, [3] octuple whole note, [4] or octuple entire musical note) [5]