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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.
Fun Fact: This type of bi-directional writing is called "Boostrophedon"!
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wait what??? you can use a bare select ??? Does this work only for the exists statement?
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My bad! I just realised the 0!=1
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What is the point of tests like '0x^n' where eventually we must return '0x^(n-1)'?
If we should return 0s, then we should also return the 0 of the derivative of the constant of the equation, which we do not do, as seen in the examples.
Please fix.