Image
EAN-130010181043802   EAN-13 barcode 0010181043802
UPC-A010181043802   UPC-A barcode 010181043802
Product NamePalmers Cocoa Butter Tube
LanguageEnglish
CategoryMusical Instrument
Short Description3.75 Oz
Amazon.comA Buy on Amazon ~ B00199HZ40
Long DescriptionThis tube is 3-1/8'' high, measured from the bottom of the base to the top of the tube (this measurement does not include the height of the pins). This tube has the same glass envelope as the JJ 5AR4/GZ34 and the 6V6.
Created07-01-2006
Modified09-05-2018 8:08:23pm
MD52d30286912d3e54ef4b17ebc16669fdb
SHA25640089bd52e1e8f05f03d13fed739fea7d01b20306a28c55d5bc3828c3db3c673
Search Googleby EAN or by Title
Query Time0.0010469

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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