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Convergence articles

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A collection of articles on mathematics in Europe from the twelfth to the fifteenth century.
In order to encourage his son in the study of arithmetic, a father agrees to pay him 8 pennies for every problem solved correctly and to charge him 5 pennies for each incorrect solution.
Find the isoceles triangle of smallest area that circumscribes a circle of radius 1.
One hundred men besieged in a castle, have sufficient food to allow each one bread to the weight of 14 lot a day for ten months.
In many sources, we see that Tartaglia has the surname Fontana. According to the author of this article, the co-discoverer of the cubic formula did not ever use that name.
Jacqueline Stedall has uncovered the numerous algebraic ideas of Thomas Harriot from the early 17th century and has organized them into a readable treatise.
An extension of Al-Karaji's formula for the sum of the cubes by a 19th century Turkish author and journal editor
Three circles of varying radius are mutually tangent. The area of the triangle connecting their centers is given. Find the radius of the third circle.
The earliest known example of a printed book on arithmetic, dates to 1478. Also known as the Art of Calculation.
A lively description of ten of the greatest feuds in mathematics.