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This code easy to use allows the coding of 43 characters : 10 digits, 26 capital letters, the symbols $ % + -. / and the space. The extend mode makes it possible to code the 128 ASCII characters ; in this mode characters added compared to the “simple” mode are coded with 2 characters.

All the found 3 of 9 barcodes on the net (Incomplete demonstration font) aren’t free, several times expensive, and with uncertain quality; the width module isn’t always permanent in the font definition. I’ve decided consequently to draw entirely a 3 of 9 font and to propose it for download. I test it on a laser printer with size 11, what gives a small barcode with a width of about 1,6 mm/car, result : reading at 100% ! On a good inkjet printer, we must go up to the size 15 what give a character width of 2,1mm.

This font contain the 43 basic charactersand the delimitor under the symbol *. Each character ends with a fin white bar of separation.