Even though it spits out percentages to several decimal points, the capital-asset pricing model, as the conceptual framework for calculating the rates is called, is controversial in itself.

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But if he performs as Marvel parent Disney anticipates, expect the Australian actor to creep a few decimal points closer to commanding a Downey-sized paycheck.

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The US adopted decimal dollars hundreds of years ago and the UK clung to pounds-shillings-pence-farthings until 1976(?) Hardly anyone but older Britons can even imagine how to divide a bill for 7 Pounds, 5 Shillings and five Pence among three diners, or the painful calculations involved.

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Or at least flat to one decimal point, which is as many as the chancellor has previously had the temerity to mention. (He might, just, be able to say it has fallen as a share of GDP - but that, too, would depend on the number of decimal points, at which point things start to get a bit silly).

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Sometimes the flesh-and-bone reality of who the nation's two best teams are contradicts BCS dictates and decimal points.

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When I made this proposal, only slightly facetiously, in a roomful of self-described education entrepreneurs, it was if I'd said that Dewey had plagiarized his decimal system.

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You get the the itty-bitty number that looks like 0.000000001 but with tens of thousands of zeroes between the decimal and the 1.

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