Thus the information here given enables cubic and quartic equations to be solved as easily (to an accuracy of say two significant figures) as quadratic equations are accuracy can be improved by ...

Photo: Luci Gutiérrez Economist Glen Weyl says that he has a better idea: bolstering democracy with a few well-placed quadratic equations.

Thus the information here given enables cubic and quartic equations to be solved as easily (to an accuracy of say two significant figures) as quadratic equations are accuracy can be improved by ...