What's the Use?

''Stewart is Britain''s most brilliant and prolific populariser of maths'' Alex Bellos''The instructive equivalent of a Michelin-starred tasting menu'' Tim RadfordMany people think mathematics is useless. They''re wrong. In the UK, the 2.8 million people employed in mathematical science occupations contributed £208 billion to the economy in a single year - that''s 10 per cent of the workforce cont...