The early Kings of Rome are largely legendary, having little contemporary evidence supporting their existence or dates. The following represents the traditional list of Kings of Rome and their dates, largely derived from the work of the historian Livy in the first century BC.
... \sqrt {b^2-4ac}</math>
in the formula should be understood as "either of those element(s) of the field whose square equals b2 - 4ac". In some fields, ...