Thanks. The formulation, although commonly reported as stated, seems slightly off - if all the numbers are positive, then of-course the ratio will be positive also.--[[User:Aschlafly|Andy Schlafly]] ([[User talk:Aschlafly|talk]]) 16:11, 23 October 2015 (EDT) | Thanks. The formulation, although commonly reported as stated, seems slightly off - if all the numbers are positive, then of-course the ratio will be positive also.--[[User:Aschlafly|Andy Schlafly]] ([[User talk:Aschlafly|talk]]) 16:11, 23 October 2015 (EDT) |