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Convergence articles

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Having been given the sum of two numbers,a, and the difference of their squares,b, find the numbers.
A novel about Pythagoras and his followers
A circle is inscribed in an isosceles trapezoid. Find the relationship of the radius to the sides.

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

Find the height of a window.
There is a garden is the shape of a rhombus whose side is 768.52 feet. Within the garden is an inscribed square flower bed whose side is 396 feet. What is the area of the garden?
Two posters illustrating the major milestones in the history of mathematics, from the first ideas of "number" to the proof of Fermat's Last Theorem.
In a square box that contains 1000 marbles, how many will it take to reach across the bottom of the box in a straight row?
A new history of Greek mathematics, taking into account the latest research.
As this biography reveals, Servois fought in battles for Paris and for the foundations of calculus.