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Convergence articles

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Faster Than a Speeding Horse

A horse, halving its speed each day, travels 700 miles in 7 days. How far does it travel each day?

Family Travels

Now there are three sisters who leave home together.

The Recruiting Officers

Two officers each have a company of men, the one has 40 less than the other.

Horse of Course

One person possesses 7 asava horses, another 9 haya horses, and another 9 camels. Each gives two animals away, one to each of the others.

Series of Circles

A series of circles have their centers on an equilateral hyperbola and pass through its center. Show that their envelope is a lemniscate.

Mathematicians: An Outer View of the Inner World

Portraits of 92 living mathematicians, with autobiographical comments.

Find the Two Numbers

Find the two numbers such that multiplying one by the other makes 8 and the sum of their squares is 27

Mathematical Treasures from the Smith and Plimpton Collections at Columbia University

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

Square and Round Land

As for a square piece of land that amounts to 100 square cubits, if it is said to you, "Cause it to make a piece of land that amounts to 100 square cubits that is round," what is the required diameter?

Frustum-Shaped Mound

There is a mound of earth in the shape of a frustum of a cone.

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