ISBN-10 to ISBN-13 Conversion Tools

Small VBA and JavaScript code used to validates 10 and 13 digit ISBN, and converts between ISBN-10 and ISBN-13 (only ISBN-13 beginning with 978 can be converted to ISBN-10).

The release zip archive contains both JavaScript and VBA, function for converting and validating ISBN-10 and ISBN-13. Although the functions have been tested, this is the first release and there may still be bugs. Please do your own testing before using the functions in critical applications.


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