3 of 9 Code
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3 of 9
Code 39 is an alphanumeric bar code that can encode decimal numbers, the upper case alphabet, and the following special symbols:
- . * $ / % +
Code 39 characters are constructed using nine elements, five bars and four spaces. Of these nine elements, two of the bars and one of the spaces are wider than the rest. Wide elements represent binary ones (1), and narrow elements represent binary zeros (0) corresponding to check character values.
3 of 9 Extended
Full ASCII Conversion
Extended Code 39 encodes the full 128 character ASCII character set by paring Code 39 characters.