Book Review: Millions, Billions, Zillions

We are surrounded by numbers, which are often hard to make sense of. “Millions, Billions, Zillions” from Brian W. Kernighan helps to navigate through huge numbers and estimate them. (Yes, that Kernighan from K&R, the co-author of “The C Programming Language” and famous {} bracing style in C-style programming languages.) The book navigates big numbers and confusion between millions and billions, various units and sometimes erroneous or over-precise conversions between them, dimensions and relations between length, area, and volume. It touches various biases, broken graphs, and other ways to lie with statistics. And finally provides useful tips to do math quickly and make educated guesses. It is overall a great overview and makes one pay more attention to the numbers others say. And I learned a thing or two from it too. Little’s Law It says that at any point in time, the amount of work in a system equals its arrival rate multiplied by the time each item spends moving through it. In…

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