Monthly Archives: February 2010

Groupings, Shopping Lists, Vectors: part 22

In the last few posts in this series I’ve examined some consequences of British values, where we have pounds and shillings (and also pence) – but then have this other value, the guinea, which equals one pound and one shilling.  … Continue reading

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Groupings, Shopping Lists, Vectors: part 21

In the previous post in this series, part 20, I showed a matrix multiplication to convert a value stated in guineas and shillings into one stated in pounds and shillings.  We were interested in the same value, expressed in different … Continue reading

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Groupings, Shopping Lists, Vectors: part 20

In England, the main currency is called the pound.  Smaller units are called shillings and pence.  A pound is 20 shillings, a shilling is 5 pence, hence a pound is 100 pence.  This system has been in place since 1971; … Continue reading

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