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What’s your favourite function? Part II

A few weeks ago on this blog we featured some of the Chalkdust team’s favourite functions. Since then we have received loads of feedback from people telling us their favourite function, so in part II of this blog we’re featuring some of the best of the contributions we have received. Our reddit thread got many other excellent contributions, from the Cantor function to the zeta function, and there was a heated debate about whether the Dirac delta function is actually a function (it is). Continue reading