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  2. ISBN - Wikipedia

    en.wikipedia.org/wiki/ISBN

    A 10-digit ISBN is converted to a 13-digit ISBN by prepending "978" to the ISBN-10 and recalculating the final checksum digit using the ISBN-13 algorithm. The reverse process can also be performed, but not for numbers commencing with a prefix other than 978, which have no 10-digit equivalent.

  3. Wikipedia:ISBN - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:ISBN

    ISBN-10 and ISBN-13 use different check digit algorithms to compute the last digit of the ISBN. The following tools will convert any ISBN-10 to an ISBN-13 along with the correct check digit value. Nihiltres' ISBN tool; ISBN converter of the U.S. Library of Congress; ISBN converter of ISBN.org; Stylistically, please: Use 13-digit ISBNs, if both ...

  4. Template:Format ISBN - Wikipedia

    en.wikipedia.org/wiki/Template:Format_ISBN

    The template takes as argument a valid ISBN and yields the formatted version of that ISBN. Any existing hyphens in the ISBN are ignored, whether or not they are correctly placed: {{format ISBN|97-8-1-57181655-9}} → 978-1-57181-655-9 {{Format ISBN}} is intended to be substituted so that the template call in wikitext is replaced with the ...

  5. Help:ISBN - Wikipedia

    en.wikipedia.org/wiki/Help:ISBN

    International ISBN Agency – coordinates and supervises the worldwide use of the ISBN system. Conversion tool: ISBN-10 to ISBN-13 and ISBN-13 to ISBN-10 from the ISBN agency. Also shows verifies correct hyphenation and whether an ISBN is valid or not.

  6. Help:Citation tools - Wikipedia

    en.wikipedia.org/wiki/Help:Citation_tools

    Citer: Converts a URL, DOI, ISBN, PMID, PMCID, OCLC, or Google Books URL into a citation and shortened footnote. It also can generate citations for certain major news websites (e.g., The New York Times) and the Wayback Machine. Citoid: A tool built into both Visual Editor and source editor that attempts to build a full citation based on a URL.

  7. List of ISBN registration groups - Wikipedia

    en.wikipedia.org/wiki/List_of_ISBN_registration...

    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; 99900–99999; The following must have a 979- prefix:

  8. Check digit - Wikipedia

    en.wikipedia.org/wiki/Check_digit

    The final digit of a Universal Product Code, International Article Number, Global Location Number or Global Trade Item Number is a check digit computed as follows: [3] [4]. Add the digits in the odd-numbered positions from the left (first, third, fifth, etc.—not including the check digit) together and multiply by three.

  9. Wikipedia:Book sources - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Book_sources

    However, there is often a "view all editions" link on the results page from an ISBN search. Google books often lists other editions of a book and related books under the "about this book" link. You can convert between 10 and 13 digit ISBNs with these tools: ISBN converter at ISBN.org