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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.
I think I don't have a good title for that. I would like to make it a little bit difficult by adding some conditions about the number. Thanks for your contribution.
This makes no sense: negative numbers can be perfect cubes, and
0
is a perfect cube too. And you're not introducing anything meaningful by adding this restriction.