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Member Since:Sep 2017
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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.
User is reinventing Math.Abs.
But Math.Abs is not necessary either as the square of a real negative number is always positive.
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