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EAN-139780746097748   EAN-13 barcode 9780746097748
Product NameAnimal Things To Make And Do
LanguageEnglish
CategoryBook / Magazine / Publication
Short DescriptionPaperback
Amazon.comA Buy on Amazon ~ 0746097743
SKU6956873
Price New43.73 US Dollars    (curriencies)
Price Used1.80 US Dollars    (curriencies)
Width0.12 inches    (convert)
Height12.01 inches    (convert)
Length9.33 inches    (convert)
Weight49 hundredths pounds    (convert)
AuthorRebecca Gilpin
BindingPaperback
Published09/09/2018
Created11-16-2012 12:51:14am
Modified09-09-2018 9:44:06am
MD576d624c2e96cde45411d643d8a0242a3
SHA256edb90e1a3442194e1e4aebe782410c0f574987602da609c73f4fbb67a3e1d944
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Query Time0.0060911

Article of interest

Code 128 is a high-density 1D barcode symbology. This barcode set makes use of the entire 128 ASCII characters which include letter, number and symbols.

Code 128 Barcode

As with all barcodes, there are indicators to identify where the barcode starts and stops. These are marked in yellow below. Code 128 also has a check character which has been marked in green. The remainder of the barcode is the data being encoded. The text below the barcode is optional and is for human consumption in the event the barcode can't be scanned or if people also need to know what the code means.

Code 128 Barcode

Each character in the barcode symbol is composed of three bars and three spaces. Each bar or space must range from 1-4 units and the sum of all the width of all bars must work out to an even number. The stop marker is special because it adds an extra bar of 2 units at the very end (4 bars and 3 spaces). There are three different start markers to to identify which code set is being used. To represent all 128 characters, the code sets can be within a single barcode as needed by using control characters 98-101 (depending on the code set).

The check character is calculated by summing the value of each character and multiplying it by its position. The start character is also part of the sum but is added without weight (multiply by 1 just like the first encoded data character) then when you have the sum take the modulo 103 remainder. This gets a little more complex when mixing modes within a single barcode.

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