Digit ISBN

Some articles on isbn, isbns, digit isbn, digit, digits:

International Standard Book Number - Check Digits - ISBN-13 Check Digit Calculation
... The 2005 edition of the International ISBN Agency's official manual covering some ISBNs issued from January 2007, describes how the 13-digit ISBN check digit is calculated ... The calculation of an ISBN-13 check digit begins with the first 12 digits of the thirteen-digit ISBN (thus excluding the check digit itself) ... Each digit, from left to right, is alternately multiplied by 1 or 3, then those products are summed modulo 10 to give a value ranging from 0 to 9 ...
International Standard Book Number - EAN Format Used in Barcodes, and Upgrading
... paperback book's front cover) are EAN-13 they may have a separate barcode encoding five digits for the currency and the recommended retail price ... the Bookland "country code", is prefixed to the ISBN in the barcode data, and the check digit is recalculated according to the EAN13 formula (modulo 10, 1x and 3x weighting on alternate digits) ... Partly because of an expected shortage in certain ISBN categories, the International Organization for Standardization (ISO) decided to migrate to a thirteen-digit ISBN (ISBN-13) ...

Famous quotes containing the word digit:

    Bless my soul, Sir, will you Britons not credit that an American can be a gentleman, & have read the Waverly Novels, tho every digit may have been in the tar-bucket?
    Herman Melville (1819–1891)