Camping claimed he was able to use the Bible to calculate the exact date of the Rapture ( most recently it was supposed to be May 23, 2011, and before that in 1994).

CNN: Apocalypse believers' big finish predictions vary

Using the footage and the location of an impact into Lake Chebarkul, Jorge Zuluaga and Ignacio Ferrin, from the University of Antioquia in Medellin were able to use simple trigonometry to calculate the height, speed and position of the rock as it fell to Earth.

BBC: Russia meteor's origin tracked down

According to a survey of industry practices published by the Institute of International Finance (IIF) in March, many banks still fail to use risk-adjusted measures either to calculate the size of their bonus pool or to allocate it.

ECONOMIST: The revolution within

It is a single set of rules that companies operating within the EU could use to calculate their taxable profits, rather than different rules in each member state in which they operate.

BBC: Corporate tax debate