You didn't get the point of this. The point of this is not to calculate a + b; that is trivial, as you smahtly pointed out. The point of this is to be able to

You didn't get the point of this. The point of this is not to calculate a + b; that is trivial, as you smahtly pointed out. The point of this is to be able to solve arithmetic problems in an architecture that is compatible with neural networks.