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EAN-139781404267268   EAN-13 barcode 9781404267268
Product NameAt the Aquarium (Neighborhood Readers)
LanguageEnglish
CategoryBook / Magazine / Publication
Short DescriptionPaperback
Amazon.comA Buy on Amazon ~ 1404267263
SKUNU-ING-00359207
Price New5.90 US Dollars    (curriencies)
Price Used1.99 US Dollars    (curriencies)
Width6 inches    (convert)
Height8 inches    (convert)
Length0.25 inches    (convert)
Weight1.12 ounces    (convert)
AuthorKerrigan King
Page Count12
BindingPaperback
Published07/30/2006
FeaturesAt the Aquarium
Long Description1 copy
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Created11-03-2012 10:06:55pm
Modified08-08-2017 10:06:32pm
MD5b895effd7723bd5cbc082a40f91979ad
SHA25601fb2ed6fc074a7666df9ac40fb3d9c8872fe86ad335c66f4ca17e5ffa415879
Search Googleby EAN or by Title
Query Time0.0012190

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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