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In 2007, the length of an ISBN changed from 10 to 13 digits, and a new 3-digit prefix (978 or 979) was added in front of 10-digit ISBNs. [ 2] The following registration groups are compatible with or without a 978- prefix: 0–5. 600–639. 64–69. 7. 80–94. 950–989. 9900–9989.
Appendix 1 of the International ISBN Agency's official user manual [16]: 33 describes how the 13-digit ISBN check digit is calculated. The ISBN-13 check digit, which is the last digit of the ISBN, must range from 0 to 9 and must be such that the sum of all the thirteen digits, each multiplied by its (integer) weight, alternating between 1 and 3 ...
ISBNs come in two styles, containing 10 digits or 13 digits, and are known as "ISBN-10" and "ISBN-13" numbers. Please use the ISBN-13 if both are provided by the original work. The ISBN-13 is often found near the barcode and will start with either 978- or 979-. However, if an older work only lists an ISBN-10, use that in citations instead of ...
Africa Check: Africa's first independent fact-checking organization with offices in Kenya, Nigeria, South Africa, Senegal and the UK checking claims made by public figures and the media in Africa. [14] Africa Check is a signatory to the International Fact-Checking Network's codes of principles. [15] Africa Check is indexed by Duke Reporter's ...
Luhn algorithm. The Luhn algorithm or Luhn formula, also known as the " modulus 10" or "mod 10" algorithm, named after its creator, IBM scientist Hans Peter Luhn, is a simple check digit formula used to validate a variety of identification numbers. It is described in US patent 2950048A, granted on 23 August 1960. [ 1]
Wikipedia:Book sources is the source text for Special:BookSources. Wikipedia talk:Book sources – For questions and discussion about the Book Sources pages. Wikipedia:ISBN – Guidelines for use of ISBNs on Wikipedia. List of academic databases and search engines. List of digital library projects.
ISBNdb.com is a large online database of book information available both via web interface and API. The database includes title, author, ISBN, ISBN13, publisher, publishing date, binding, pages, list price, and more. [ 1] It contains data on 33+ million books by more than 11 million authors, with more books added every day. [ 2]
An Amazon Standard Identification Number ( ASIN) is a 10-character alphanumeric unique identifier assigned by Amazon.com and its partners for product identification within the Amazon organization. [1] They were designed in 1996 by Rebecca Allen, an Amazon software engineer, when it became clear that Amazon was going to sell products other than ...