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Convergence articles

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You have two sums of money, the difference of which is 2 dirhams; you divide the smaller sum by the larger and the quotient is equal to 1/2. What are the two sums of money?
Essays on various aspects of mathematical thought by prominent mathematicians of the past century.
Given a door and a measuring rod of unknown dimensions, the rod is used to measure the door.
An analysis of James Gregory's proof of the Pappus-Guldin theorem, along with the original documents both in Latin and English.
Given two circle tangent at the point P with parallel diameters AB, CD, prove that APD and BPC are straight lines.
The annual meeting of the HPM Americas Section will take place Friday, April 28 at 5:30 pm. in the Landmark 5
room of the Renaissance Grand Hotel in St. Louis.
A fish sees a heron looking at him from across a pool, so he quickly swims towards the south. When he reaches the south side of the pool, he has the unwelcome surprise of meeting the heron.
Make a crown of gold copper, tin, and iron weighing 60 minae: gold and copper shall be 2/3 of it; gold and tin, 3/4 of it; and gold and iron, 3/5 of it. Find the required weights of gold, copper, tin, and iron.
This is a translation of an article of Leonhard Euler in which he attempts to prove the fundamental theorem of algebra. In addition, he discusses in detail his understanding of the nature of complex numbers.
A section of a much larger website, dealing with some random topics in the history of mathematics.

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