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Convergence articles

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Area of Elliptical Segment

Find the area of the elliptical segment cut off parallel to the shorter axis;

A Clothes Call

A man went to a draper and bought a length of cloth 35 braccia long to make a suit of clothes.

The Joy of Pi
A highly recommended new book on the history and applications of pi.
HOM SIGMAA 2009 Award Winners

These are the winning entries from the annual History of Mathematics SIGMAA Student Paper Contest.

Apples and Oranges and Peaches

If 40 oranges are worth 60 apples, and 75 apples are worth 7 dozen peaches, and 100 peaches are worth 1 box of grapes and three boxes of grapes are worth 40 pounds of pecans, how many pounds of pecans can be bought for 100 oranges?

A History of Abstract Algebra
A history of the various algebraic structures that came together to give us "abstract algebra" by early in the twentieth century.
Circumscribed Circle

The radius of a circle is 3.20 meters. Compute to within .001 square meters the areas of the inscribed and circumscribed equilateral triangles.

The Secret Life of Numbers

Short sketches on how mathematicians work and think.

A Successful Businessman

A certain merchant increases the value of his estate by 1/3...

Four Congruent Circles and an Inscribed Square

A set of four congruent circles whose centers form a square is inscribed in a right triangle ABC where C is the right angle and serves as one corner of the square. Find their radius in terms of the sides; a,b,c, of the triangle.

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