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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A 4000-Year-Old Math Exam
We don’t know that much about the origins of Egyptian fractions. What we do know is that the earliest written record of their use is in an Egyptian scroll from roughly the eighteenth century BC, which is why they’re known as Egyptian fractions.
That scroll, known as the Rhind Papyrus, is one of the most fascinating documents in the entire history of mathematics. It appears to be something along the lines of a textbook of Egyptian mathematics! It’s a set of what look like exam questions along with fully worked answers. The scroll includes tables of fractions written in unit-fraction sum form, as well as numerous algebra (in roughly the form we use today!) and geometry problems. From the wording of the scroll, it’s ...
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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.