Loading collection data...
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.
Are you sure about that? "The PostgreSQL log() function is used to return the base 10 logarithm of a given number or logarithm of a number for a particular base, as specified in the argument."