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This is the title page of the Summa de arithmetica, geometrica, proportioni et proportionalita, published by Luca Pacioli in 1494. This was the most comprehensive mathematical text of the time and one of the earliest printed mathematical works. It contained not only practical arithmetic, but also algebra, practical geometry and the first published treatment of double-entry bookkeeping.
Two men starting from the same point begin walking in different directions. Their rates of travel are in the ratio 7:3.
Fourth Annual Smoky Mountain Undergraduate Conference on the History of Mathematics
Three people buy wood together. One pays the merchant 5 coins, another 3 coins, and the last 2 coins.
One says that 10 is divided into three parts and if the small part is multiplied by itself and added to the middle one multiplied by itself the result is the large one multiplied by itself...
A cliff with a tower on its edge is observed from a boat at sea; find the height of the cliff and the tower.
If in a circle ABDC, circumscribe an equilateral triangle ABC; the straight line AD is equal to the sum of the two straight lines BD and DC: required a demonstration.
A brief outline of policies for submission of articles to Loci.
Two circles of radii 25 feet intersect so that the distance between their centers is 30 feet. What is the length of the side of the largest square inscribable within their intersecting arcs?
There are two numbers which are to each other as 5 and 6 and the sum of their squares is 2196. What are the numbers?

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