By one calculation, if whites, blacks and Latinos repeat their 2000 voting patterns in 2004, the Democratic candidate would win.

ECONOMIST: The Democrats

And the earth would be spared a huge amount of emitted carbon: by one calculation, as much as 75m tonnes over the next 30 years.

ECONOMIST: Banyan

As a result, a calculation by one of its experts about how much time Samsung's infringing products disrupted sales, and how much that hurt Apple, was an important part of the jury's final decision.

WSJ: U.S. Judge Reduces Apple Award in Samsung Lawsuit

One consequence of Indian Railways' present bias, according to a rough calculation 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.

ECONOMIST: Indian railways: There's no such thing as a free ride | The