It is curious that the rendered equation (under "Sure, I can help with that") appears to be incorrect due to some missing parens but the Python implementation i

It is curious that the rendered equation (under "Sure, I can help with that") appears to be incorrect due to some missing parens but the Python implementation itself does appear to be correct. Now show us a version that takes into account actual representations and errors, produces an optimal implementation of the calculation for accuracy, and explains why it is. :)