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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
This expression calculates the position of the alphabet by subtracting 96 from its Unicode code point. Since lowercase 'a' has a Unicode code point of 97, subtracting 96 gives 1, which represents the position of 'a'. Similarly, 'b' would be 2, 'c' would be 3, and so forth.