A Slice of Pi

A new look at maths without the Boring Bits . . . How many trillions are there in a googol? Which fractions are vulgar? What famous mathematician refused to eat beans? And which one never travelled without his pet spider in an ivory box? Mathematical theorems and equations are inextricably entangled with the great, and often eccentric thinkers who made breakthrough discoveries. Teacher and numbers expert Liz Strachan takes readers beyond the classroom, combining anecdotes, proofs and party trick