Ean 13 (European Article Number) is a barcoding standard which is a superset of the original 12-digit Universal Product Code (UPC) system developed in North America. EAN-13 encodes 12 digits of numeric (0 through 9) message data along with a trailing check digit, for a total of 13 digits of barcode data.

Structure of an EAN 13 number
An EAN-13 number consists of four areas:
(1) The number System;
(2)The manufacturer code;
(3) the product code;
(4)The check digit.

Ean 13 Properties
Besides the properties to general barcode, the following property belongs to Ean 13 only:
SupplementarySeparation gets or sets the space between the end of barcode and the begin of supplementary for UPC/EAN in Inches. Default is 0.2 inches.

Ean 13 Check Sum
EAN 13 check digit is calculated using standard Mod10 method.

ezBarcode Ean 13 Acceptable String Length
ezBarcode Ean 13 can accept 12, 13, 14, 15, 17, 18 digit length.

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