Doctors still use aroughcalculation to work out the chances of survival - if the percentage of the body burned added to the age of patient exceeds 100, then things are looking bad.
But I do believe that when the initial estimates came that there were -- it was 5, 000 barrels spilling into the ocean per day, that was based on satellite imagery and satellite data that would give aroughcalculation.
One consequence of Indian Railways' present bias, according to aroughcalculation by the World Bank, is that freight tariffs could be reduced by more than 40% if its social burdens were paid directly by the user or the government.
My roughcalculation of the chance that a single vote cast in New York will decide the presidency is 1 in 10 raised to the power 61, 000, or thereabouts.