This is a document that outlines how to calculate mortgage payments. The only maths you need is a knowledge of geometric series.

An infinite number of mathematicians walk into a bar. The first orders a pint. The second orders half a pint. The third orders a quarter of a pint...

At this point, the bartender twigs what's going on, pours two pints, puts them on the bar and says: 'Just sort it out amoungst yourselves.'

Interesting stuff about arithmetic and geometric series.

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