Seconded: great paper, clear and comprehensive. I cited it from the first paragraph of https://en.wikipedia.org/wiki/Quadratic_formula#Numerical_calculation ht

Seconded: great paper, clear and comprehensive. I cited it from the first paragraph of https://en.wikipedia.org/wiki/Quadratic_formula#Numerical_calculation https://en.wikipedia.org/wiki/Quadratic_formula#Numerical_ca... when I was working on it back in March but I'm sure the discussion could still be more complete there.