7.4

Apart from the standard UPC-E code, two additional codes can also be used:
l UPC-E+2 (8 digits + 2 supplemental digits).
l UPC-E+5 (8 digits + 5 supplemental digits).
EAN-13
The standard code must contain exactly 13 characters (this includes one checksum character).
The following characters are valid for this barcode:
l Digits (0 to 9).
Apart from the standard EAN-13 code, two additional codes can also be used:
l EAN-13+2 (15 characters in all).
l EAN-13+5 (18 characters in all).
A checksum is automatically calculated for this barcode.
Human readable characters are always included in the code.
EAN-8
The standard EAN-8 code must contain exactly 8 characters (this includes one checksum character).
The following characters are valid for this barcode:
l Digits (0 to 9).
Apart from the standard EAN-8 code, two additional codes can also be used:
l EAN-8+2 (10 characters in all)
l EAN-8+5 (13 characters in all)
Human readable characters are always included in the code.
ISBN
Standard ISBN barcodes contain 10 digits (9 digits for the data plus 1 checksum digit) or 13 digits (a 3 digit prefix, 9 digits for
the data plus 1 checksum digit).
l ISBN 10 digit codes typically include 4 sections and 3 hyphens or spaces.
l ISBN 13 digit codes include 5 sections and 4 hyphens or spaces. The prefix is usually 978 or 979.
Using hyphens or spaces is not compulsory but recommended to clearly separate each part of the code.
The following characters are valid for this barcode:
l Digits: 0 to 9.
l Symbols: space, - (hyphens).
Apart from the standard ISBN code, two additional codes can also be used:
l ISBN+2 (10 or 13 characters + 2 supplemental digits).
l ISBN+5 (10 or 13 characters + 5 supplemental digits).
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