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Code 39 (also known as Alpha39, Code 3 of 9, Code 3/9, Type 39, USS Code 39, or USD-3) is a variable length, discrete barcode symbology defined in ISO/IEC 16388:2007. The Code 39 specification defines 43 characters, consisting of uppercase letters (A through Z), numeric digits (0 through 9) and a number of special characters ...
A numeric character reference refers to a character by its Universal Character Set/Unicode code point, and a character entity reference refers to a character by a predefined name. A numeric character reference uses the format &#nnnn; or &#xhhhh; where nnnn is the code point in decimal form, and hhhh is the code point in hexadecimal form.
Moved characters a bit to have * clearly separated from the others (it's not a true character in Code 39). Déplacé quelques caractères pour mettre clairement * de côté (ce n'est pas un vrai caractère en Code 39) 21:11, 25 June 2010: 625 × 1,425 (82 KB) JoostyBoy: Last one, centered the space barcode symbol and its description. 21:09, 25 ...
Code 93 is a barcode symbology designed in 1982 by Intermec to provide a higher density and data security enhancement to Code 39. It is an alphanumeric, variable length symbology. It is an alphanumeric, variable length symbology.
In HTML and XML, a numeric character reference refers to a character by its Universal Coded Character Set/Unicode code point, and uses the format: &#xhhhh;. or &#nnnn; where the x must be lowercase in XML documents, hhhh is the code point in hexadecimal form, and nnnn is the code point in decimal form.
ASCII Code (DEC) ASCII Code (HEX) Latin capital letters: A,B, ... Z: 65 - 90 41 - 5A Latin small letters: a,b, ... z: 97 - 122 61 - 7A Numbers: 0,1, ... 9: 48 - 57 30 - 39 SPACE (space) 32 20 APOSTROPHE ' 39 27 LEFT PARENTHESIS (40 28 RIGHT PARENTHESIS) 41 29 PLUS SIGN + 43 2B COMMA, 44 2C HYPHEN-MINUS-45 2D FULL STOP. 46 2E SOLIDUS / 47 2F ...
However, it is defined as an alias [1] of the close equivalent TIS-620 (which lacks the non-breaking space), and which can without problems be used for ISO/IEC 8859-11, since the no-break space has a code which was unallocated in TIS-620. Microsoft has assigned code page 28601 a.k.a. Windows-28601 to ISO-8859-11 in Windows. [2]
There are two modulo 11 algorithms which use different repeated weighting factor patterns: the IBM algorithm which uses (2,3,4,5,6,7), and the NCR algorithm which uses (2,3,4,5,6,7,8,9). Get the sum of the string by looping through each character and multiply it by a weight from 2 to 7 (IBM) or 2 to 9 (NCR) depending on its position.