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Published 2008 Revised 2021
This article for pupils and teachers looks at a number that even the great mathematician, Pythagoras, found terrifying.
Infinity is not a number, and trying to treat it as one tends to be a pretty bad idea. At best you're likely to come away with a headache, at worse the firm belief that 1 = 0. This article discusses the different types of infinity.
What was it like to learn maths at school in the Victorian period? We visited the British Schools Museum in Hitchin to find out.