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The radius of a circle is 3.20 meters. Compute to within .001m the areas of the inscribed and circumscribed equilateral triangles.
A portrait gallery of mathematicians, mostly taken from the collection at the Dibner Library of the Smithsonian, with permission.

Review of Bertram's text on the history of Greek science.

Two pages from a 1650 manuscript of the Lilavati of Bhaskara II (1114-1185). The second photo is an illustration of the Pythagorean Theorem.
We sadly announce the untimely death of one of Convergence's editorial board members.
A translation from the original Greek of a manuscript on magic squares by the Byzantine scholar Manuel Moschopoulos, written about 1315
A man died leaving 3 sons, to whom he bequeathed his estate in the following manner: to the eldest he gave 184 dollars; to the second 155 dollars and to the third 96 dollars;
Find two numbers, x and y, such that their sum is 10 and x/y + y/x = 25
A cat sitting on a wall 4 cubits high saw a rat prowling 8 cubits from the foot of the wall;
In how many ways can a vowel and a consonant be chosen out of the word "logarithms?"

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