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EAN-139780746074497   EAN-13 barcode 9780746074497
Product NameLiving In Space (Usborne Beginners)
LanguageEnglish
CategoryBook / Magazine / Publication
Short DescriptionHardcover
Amazon.comA Buy on Amazon ~ 0746074492
SKUMON0000197544
Price New4.35 US Dollars    (curriencies)
Price Used1.46 US Dollars    (curriencies)
Width0.31 inches    (convert)
Height8.15 inches    (convert)
Length6.18 inches    (convert)
Weight38 hundredths pounds    (convert)
AuthorKatie Daynes
Page Count32
BindingHardcover
FormatImport
Published09/09/2018
Long DescriptionBRAND NEW, Exactly same ISBN as listed, Please double check ISBN carefully before ordering.
Created11-13-2012 3:34:00pm
Modified09-09-2018 9:42:52am
MD5fb3503fae9b92d0c1768a3a07808f8e9
SHA256f372d3453c75b3b0591df5c569383311daf2ecbcd283c1a202e9687841404e13
Search Googleby EAN or by Title
Query Time0.0054510

Article of interest

Code39 also known as Code 3 of 9 allows you to encode text using characters A-Z and 0-9 and some punctuation. Using an extended encoding system, it is possible to encode the entire ASCII character set.

barcode

Each character is made up of 10 elements where 5 are bars and 5 are spaces. You may have seen this described as 9 elements on other sites where 5 are bars and 4 are spaces but there is always a narrow space stripe between characters which means we might as well consider that trailing narrow space part of each character making the total number of elements 10. The final trailing narrow space simply appears to be absorbed into the quiet zone to the right of the final barcode. There is no check digit in this symbology unlike others. The variation between the width of the bars is what define the value of each character.

In the image below you will notice the start and stop block are the same. In most Code39 fonts,this is encoded as the asterisk (*) character although it is not displayed under the barcode. The text under the barcode is optional and is for human use only. The start and stop asterisks are not decoded when scanned and may or maynot bedisplayed. Also how the text is displayed depends on the process used to create the barcodes. Often, the text is simply under the barcode without the indent displayed in our sample.

barcode

Normally, there are only 43 characters that can be encoded using Code39. But if you want to encode the full ASCII characterset, you can prefix letters with special characters to get the characters you need including lower case and special characters. Although it is possible to encode the full ASCII set, if you actually need to do this it is better to use Code128 because it will produce a smaller barcode.

If you want to create your own Code39 barcode, you can visit our very own barcode generator page.

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