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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.
Hello, all, I had this problem too. Even with a formula and after I forced it to be written with integers...
170970902404966449586247098818855152577703936966215095276168985530690669141903684897 should equal 170970902404966462328920047488181969596690166234976092377640121561715772973645152611
I really have no idea what happened and what I can do.