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  2. Piano key frequencies - Wikipedia

    en.wikipedia.org/wiki/Piano_key_frequencies

    This is a list of the fundamental frequencies in hertz (cycles per second) of the keys of a modern 88-key standard or 108-key extended piano in twelve-tone equal temperament, with the 49th key, the fifth A (called A 4), tuned to 440 Hz (referred to as A440).

  3. Indian mathematics - Wikipedia

    en.wikipedia.org/wiki/Indian_mathematics

    Indian mathematics emerged in the Indian subcontinent [1] from 1200 BCE [2] until the end of the 18th century. In the classical period of Indian mathematics (400 CE to 1200 CE), important contributions were made by scholars like Aryabhata, Brahmagupta, Bhaskara II, Varāhamihira, and Madhava.

  4. Names of large numbers - Wikipedia

    en.wikipedia.org/wiki/Names_of_large_numbers

    Names of numbers above a trillion are rarely used in practice; ... The highest numerical value banknote ever printed was a note for 1 sextillion peng ... 800 400 10 2403:

  5. Sixteenth note - Wikipedia

    en.wikipedia.org/wiki/Sixteenth_note

    In music, a 1/16, sixteenth note or semiquaver is a note played for half the duration of an eighth note (quaver), hence the names. It is the equivalent of the semifusa in mensural notation , first found in 15th-century notation.

  6. Mister 880 - Wikipedia

    en.wikipedia.org/wiki/Mister_880

    Mister 880 is a 1950 American light-hearted romantic drama film directed by Edmund Goulding and starring Burt Lancaster, Dorothy McGuire and Edmund Gwenn.The movie is about an amateurish counterfeiter who counterfeits only one dollar bills, and manages to elude the Secret Service for ten years.

  7. United States Note - Wikipedia

    en.wikipedia.org/wiki/United_States_Note

    Large-sized Series of 1880 United States Notes; the $20 note displays Alexander Hamilton and a red scalloped Treasury seal, and the $10 note displays Daniel Webster and a large red spiked Treasury seal. A United States Note, also known as a Legal Tender Note, is a type of paper money that was issued

  8. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    It alerts the client to wait for a final response. The message consists only of the status line and optional header fields, and is terminated by an empty line. As the HTTP/1.0 standard did not define any 1xx status codes, servers must not [note 1] send a 1xx response to an HTTP/1.0 compliant client except under experimental conditions. 100 Continue

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    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.