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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.
That is one way to make sure that the calculation is done in floating point. Otherwise dist / (speed - wind) would be an integer division.
what is 1.0 for?