Image
EAN-130000000100151   EAN-13 barcode 0000000100151
UPC-A000000100151   UPC-A barcode 000000100151
Product NameWilson Tactical Knives 143bs Model 14 Mombasa Fixed Blade Knife With Black Micarta Handles
LanguageEnglish
CategoryElectronics / Photography
Amazon.comA Buy on Amazon ~ B0017KRXH0
BindingElectronics
Long DescriptionWilson Tactical Knives - Model 14 Mombasa Fixed Blade Knife with Black Micarta Handles: Model WT-143BS. 7 1/8" overall. 3" D2 tool steel blade with polished finish. Full tang construction. Black micarta handles with lanyard hole. Black sharkskin sheath included. Made in the USA.
Created10-20-2011 4:35:58pm
Modified09-05-2018 6:00:45pm
MD5494635a0ab9ed448eb9c04eeb320fcf8
SHA256145bb315cb35c78114899a1ef60f9b7dd483f30f30be63a0e4fb5529a4fa94f3
Search Googleby EAN or by Title
Query Time0.0015678

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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