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Convergence articles

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A letter to Sam Greitzer, late editor of Arbelos, discussing the derivation of two formulas for calculating pi.
An excellent book surveying the history of the philosophy of mathematics from the time of Plato to the nineteenth and early twentieth centuries.
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.
A great book from which to learn and teach the subject of relativity.
This is the title page of the Siderius Nuncius (Starry Messenger) of Galileo (1564-1642), published in 1610. This book was a report on Galileo's first investigations with a telescope. Also includes Galileo's initial sketches of the surface of the moon.
A man is walking across a bridge, when a boat passes under the bridge.How rapidly are the boat and the pedestrian separating after the boat passes under the bridge?
What is the sum of the reciprocals of the triangular numbers?
A certain bishop ordered that 12 loaves be divided among his clergy.
Archimedes' work, The Method, explained, along with many other important ideas of the great Greek geometer.