Numbering the strings from 0-5 may make sense for a programmer, but not so much for a musician. I've been a player for over 60 years, and every method book I've

Numbering the strings from 0-5 may make sense for a programmer, but not so much for a musician. I've been a player for over 60 years, and every method book I've seen uses 1-6. This could be confusing if this tool is part of a collection of tools that need to work together, or could add extra mental load if you're already used to standard string numbering.