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A biography stressing Agnesi's deep commitment to help those in need.

Three equal circles with radii 12 feet are tangent to each other. Compute the area enclosed between them.

An introduction to the prime numbers in many of their aspects.

We sadly announce the untimely death of one of Convergence's editorial board members.

The incircle O(r) of triangle ABC touches AB at D, BC at E and AC at F. Find r in terms of AD, BE and CF.

Download the three winning essays to learn about medieval Islamic dust boards, Old Babylonian similarity, and the Fermat Problem.

A merchant woman buys and sells apples and pears. How much did she invest in apples; how much in pears?

Given a pendulum as shown. The height of the pendulum is two units and its horizontal width is 2 units. What is the area of the pendulum?

There were two men, of whom the first had 3 small loaves of bread and the other, 2.

A study of Mullikan's Nautilus, using movies to illustrate the important ideas

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