Functions are rather important in maths.  From the humble $y=$ constant to the exotic special functions, from straight lines to never-ending spirals, from those in one variable to those that live in multidimensional worlds, they’re pretty hard to escape.  So we asked people what their favourite function is and you’ll find their contributions below.  We’d love to hear what your one is, so get in touch at contact@chalkdustmagazine.com and you can also read Part II of this blog.

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