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A wonderful book about the square root of 2, beginning with the search for the side of a square double a given square.
This is a page from an early printed edition of the Arithmetica of Jordanus de Nemore (early 13th century).
A collection of articles about historical and contemporary women in mathematics.
A man bought a number of sheep for $225; 10 of them having died, he sold 4/5 of the remainder for the same cost and received $150 for them. How many did he buy?
When knowing the sum of their ages along with another equation, determine how old a father and son are.
Two travelers, starting at the same time from the same point, travel in opposite directions round a circular railway.
IOU
I owe a man the following notes: one of $800 due May 16; one of $660 due on July 1; one of $940 due Sept. 29. He wishes to exchange them for two notes of $1200 each and wants one to fall due June 1. When should the other be due?
Find the area of the elliptical segment cut off parallel to the shorter axis;

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