But there's also something here for do-it-yourselfers who can do their own screening, using a number of variables.

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Lord Strathclyde told him the costs were dependent on a number of variables, but Lord Grocott said this was an "unsatisfactory" answer.

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The price you pay for a ticket is driven by a number of variables: competition, types of passengers, the route and operating costs.

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He identified a number of variables that could have affected the pilot's decision to fire on what turned out to be British troops.

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The odds that you may be robbed depend on a number of variables, but mostly on how easy you make it for a thief.

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The Knight Frank survey, scheduled for release Wednesday, ranks global cities based on a number of variables: economic activity, political power, quality of life, education and influence.

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It was about her product, her market, her location and a number of other variables.

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This is an incredibly multi-faceted issue with a number of long-term variables and players.

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We can build mathematical models to render a simplified description of, say, liquid in a vessel, but to completely describe it with mathematics would require an infinite number of variables.

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