Image
EAN-130097360719048   EAN-13 barcode 0097360719048
UPC-A097360719048   UPC-A barcode 097360719048
Product NameStar Trek IV The Voyage Home
LanguageEnglish
CategoryElectronics / Photography: A/V Media: Movie / TV
Short DescriptionDVD
Amazon.comA Buy on Amazon ~ B002I9Z8BM
SKU097360719048
Price New7.44 US Dollars    (curriencies)
Price Used6.77 US Dollars    (curriencies)
Long DescriptionSpock, Kirk and the Enterprise crew come to San Francisco to save humpback whales for the 23rd century.
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Created04-17-2012 8:34:45pm
Modified10-10-2017 6:04:00am
MD517e5f9d806f7fa62e27cb1095afb59c5
SHA2567c49c908c36dbcb9aaf3135eea4b1e0eef2091fc311a044fe121bde2f54140fb
Search Googleby EAN or by Title
Query Time0.0152180

Article of interest

ISBN stands for International Standard Book Number. Originally this was a 10 digit number known as ISBN-10, but has been replaced with a 13 digit version known as ISBN-13 (aka EAN-13) to better fit in with the industry standard product numbering system.

The ISBN system offers a unique numbering system for books and publications of various types. ISBN offers 9 identification digits for each book or publication and one check digit. ISBN-13 expands the available number set by doubling the available numbers. You might think that the extra three digits would more than double the available numbers but ISBN is limited within the EAN-13 numbering system and will always start with 978 or 979 as the first three digits, leaving only 9 more digits for the actual identification digits and again the last digit is the check digit.

Any ISBN-10 number can be converted to ISBN-13. Any ISBN-13 number that starts with 978 can be converted back to ISBN-10. ISBN-13 numbers that start with 979 cannot be converted to ISBN-10.

The conversion process from ISBN-10 to ISBN-13 is a rather simple one. Start with the first 9 digits of the ISBN-10 number, place 978 in front and calculate the new check digit using the standard EAN check digit calculation.

If you want to calculate the check digit for ISBN-10, that is done using a MOD-11 calculation that is very different than the EAN check digit process.

ISBN-1-5905-9332-4

Look at the number above and below the barcode. You will see that except for the last digit in the ISBN number, all of the digits exist in the 13 digit version shown under the barcode right after the 978 and just before the new check digit of 5.

Now you can see how easy it is to convert between ISBN-10 and ISBN-13.

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