version 3.8.7 released, ISSN check digit improved.
version 3.8.6 released, human readable text for Code 11, Code 93,MSI improved.
v3.8.5 released, SSCC-18 and GTIN-14 barcodes added.
version 3.8.4 released, sequential text objects functionality improved.
I've just purchased the iBarcodre this afternoon and am quite pleased with your product. We have simple needs for UPC-A and now QR codes and I only wish I'd found this years ago.
-- Phil Garcia
Bought the software, so now I can generate sequential ISBNs. Great Fetuare!
Got to say I so far am impressed with the product.... Also, thank you for the tech support. It works quickly and perfectly.
I am very very happy with a possibility to correctly export either one single barcode into EPS, or the page filled with barcodes into PS file.
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How to make barcode code 39 easily
Code 39 was developed by Dr. David Allais and Ray Stevens of Intermec in 1974. Their original design included two wide bars and one wide space in each character, resulting in 40 possible characters. Setting aside one of these characters as a start and stop pattern left 39 characters, which was the origin of the name Code 39.
Create barcode 39 on mac - step by step:
- Click on the barcode icon on the toolbar, then on the label area. Barcode appears.
- Click on the Barcode Information panel, and select the mac Code 39 barcode type.
- Click on the Barcode Data and replace the default string with the actual Code 39 barcode data.
- Make the desirable settings such as Code 39 barcode height, width, etc.
- Select Code 39 pattern from the lowest popup menu on the Barcode Information panel.
- You are ready! Print or Export your mac Code 39 barcode image.
Mac Code 39 (3 of 9) Specification:
One of the most widely used symbologies, Code 39 can encode messages using capitalized alpha characters, numbers 0 through 9 and seven special characters. It has a flexible, variable-length format. Code 39 is used by the Department of Defense and by the automotive industry, among others. Its main drawback is that it takes up a lot of label space, sometimes causing problems when there is a lot of data to be encoded.
Code 39 is an alphanumeric bar code that can encode decimal numbers, the upper case alphabet, and the following special symbols:
- . * $ / % +
(NOTE: The asterisk is only valid as a start/stop character)
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). The character set table shows each of the available characters with their corresponding check character values.
To enable a decoder to distinguish between the wide and narrow elements a minimum wide to narrow ratio is needed. Depending upon which resolution has been used for the printing of the bar code, the width of the wide element should be at least two times greater than the narrow element. A ratio of three to one is better. All elements of the same type should be printed the same size. (The width of a narrow bar should be the same as a narrow space.)
Code 39 is a discrete bar code, with a space between characters which contains no information. The width of this intercharacter gap should be approximately equal to the narrow element width. The structure of Code 39 makes it self checking, but there is an optional message check character.