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Convergence articles

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Fibonacci gave a practical rule for approximating the area of an equilateral triangle.

A study of the solution of quartic equations in Cardano's Ars Magna and in the work of Euler and Descartes.

Thumbnail sketches of statisticians throughout history.
A farmer sold a team of horses for $440, but did not receive his pay for them until 1 yr, 8 mo after the sale. He had at the same time another offer of $410 for them. Did he gain or lose by the sale and by how much, money being worth 6%/yr?
Determine by using algebra the number of degrees in the angle A where: cos A = tan A
A song for Pi Day.

A survey of the famous Konigsberg Bridge Problem and its connection to graph theory, by an undergraduate student

The Fundamental Theorem of Calculus is presented in the version of Scottish mathematician James Gregory -- without the use of limits.
Download the three winning essays to learn about medieval Islamic dust boards, Old Babylonian similarity, and the Fermat Problem.
A small selection of Euler's works, explained by a master expositor.

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