July 2013
Intermediate to advanced
282 pages
6h 28m
English
Content preview from Good MathBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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2Integers
Natural numbers are the first numbers that we understand. But they’re nowhere close to sufficient. Given how we use numbers, you inevitably wind up needing something beyond just the natural numbers.
If you go to the store and buy something, you give them money in exchange for what you buy. You could buy something like a loaf of bread for three dollars. If you paid them with a five dollar bill, they’ll give you two dollars back in change.
Just to understand that, you’re doing something that doesn’t really make sense in natural numbers. The money is flowing in two different directions. One, going from you to the store, subtracts from the money you have. The other, going from the store to you, adds to the money you have. Positive ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.