"This tour of real-world mathematical disasters reveals the importance of math in everyday life. All sorts of seemingly innocuous mathematical mistakes can have significant consequences. Exploring and explaining a litany of glitches, near misses, and mathematical mishaps involving the internet, big data, elections, street signs, lotteries, the Roman Empire, and an Olympic team, Matt Parker uncovers the ways math trips us up." -- Provided by publisher.

Page numbers are in reverse order. First published in Great Britain as: Humble pi : a comedy of maths errors by Allen Lane, an imprint of Penguin Random House Uk, 2019--Title page verso.

Losing track of time --Engineering mistakes -- Little data -- Out of shape -- You can't count on it -- Does not compute -- Probably wrong -- Put your money where your mistakes are -- A roundabout way -- Too small to notice -- Units, conventions, and why can't we all just get along? -- Stats the way I like it -- Titloay Rodanm -- Does not compute -- So, what have we learned from our mistakes?.