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Convergence articles

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There is a regular pentagon. The length of its side is a. Find the area of the pentagon. Generalize your result for a nonagon.

A bibliographical reference to mathematics books printed in the new world before 1700.

Two men start walking at the same time and travel a distance. One is walking faster and completes the journey sooner. How fast did each man travel?
A biography stressing Agnesi's deep commitment to help those in need.
A father left $20,000 to be divided among his four sons ages 6, 8, 10, and 12 years respectively so that each share placed at 4 1/2 compounded interest should amount to the same value when its possessor becomes the age 21.
There is a mound of earth in the shape of a frustum of a cone.
The ICM meets every four years. This year, the meeting takes place August 22-30 and is being held in Madrid. Section 20 of the Congress deals with the history of mathematics.
On a certain ground stands two poles 12 feet apart, the lesser pole is 35 ft. in height and the greater 40 ft. It is sought, if the greater pole will lean on the lesser, then in what part will it touch?

The authors provide an analysis and English translation of the argument by a little known French mathematician that calculus should be based on series rather than on infinitesimals.

A translation of one of the earliest European mathematical texts to use the Hindu-Arabic number system.

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