NN computations -- in the main -- are high school Maths. Architectures are a topology governing chains of high school Maths. This is so much the case that the b

NN computations -- in the main -- are high school Maths. Architectures are a topology governing chains of high school Maths. This is so much the case that the building blocks can neatly be expressed in a spreadsheet, which may or may not help some people establish more mechanical sympathy for what is going on.