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Convergence articles

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A novel about Pythagoras and his followers
Now there are 100 deers [being distributed] in a city. If one household has one deer there is a remainder...Find the number of households in the city.
Given right triangle ABC where C is the right angle, ellipse O (a,b) is inscribed in it, with its major axis parallel to BC. Calculate the semi-major axis, a, in terms of AC, BC and b.

A collection of images of historical texts and tools to share with your students

Thirty flasks-10 full, 10 half-empty, and 10 completely empty- are to be divided among 3 sons so that flasks and contents should be shared equally. How may this be done?
A translation of part of a thirteenth century work by the Byzantine monk Maximus Planudes on the Hindu-Arabic numerals and the algorithms for calculation.
A barrel has various holes in it. The fist hole empties the barrel in three days...
A man agreed to pay for 13 valuable houses worth $5000 each, what the last would amount to, reckoning 7 cents for the first, 4 times 7 cents for the second, and so on, increasing the price 4 times on each to the last.
As this biography reveals, Servois fought in battles for Paris and for the foundations of calculus.
Seven men held equal shares in a grinding stone 5 feet in diameter. What part of the diameter should each grind away?