back-of-an-envelope calculation

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الإنجليزية - التركية

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back-of-an-envelope calculation
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"By Mr Warburton's back-of-an-envelope calculation, if GM closed Opel, laying of its 40.000 workers might cost, say, €200.000 each..." The Economist, Feb.18-24.2012,p.52.

الإنجليزية - الإنجليزية

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back-of-an-envelope calculation
(deyim) The phrase back-of-the-envelope refers to rough calculations that, while not rigorous, test or support a point. They are far more than a guess but far less than a proof. The phrase is generally used in mathematics and physics, and can also be found in many engineering fields
back-of-an-envelope calculation
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