![]() ![]() The EAN-13 standard includes UPC-A barcodes adding a leading 0 to a UPC-A code turns it into the equivalent EAN-13 code. EAN-13 adds a 13th digit on the far left side of the UPC-A code (so that it becomes the first digit). ![]() The EAN-13 code is basically an international version of UPC-A. A side-effect of this technique is that the only numbering system codes allowed are 0 and 1. UPC-E uses a much more complex trick to compress the checksum and the number system code. The details of the technique are complicated, and it doesn’t work for everything, but it does cover all codes with a total of 5 leading/trailing zeroes, as well as a significant number of codes with four zeroes. He UPC-E code’s most basic trick is to remove trailing zeroes in the manufacturer’s code, and leading zeroes in the product code. it contains the same information as a UPC-A label, but it uses some tricks to reduce the number of digits to six. The UPC-E barcode can be used when available space is too small for a UPC-A barcode.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |