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Convergence articles

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A collection of biographies of sixty mathematicians from the eighteenth century to the twentieth.
Circular Images
In a square box that contains 1000 marbles, how many will it take to reach across the bottom of the box in a straight row?
A fellow said that when he counted his nuts by twos, threes, fours, fives and sixes, there was still one left over; but when he counted them by sevens they came out even. How many did he have?
The authors provide descriptions of Maya calendar systems, photos of artifacts, examples of calendar conversions, and exercises for classroom use.
A creative expression combining text, design and illustrations, originally designed for the International Congress of Mathematicians in Madrid.
A discussion of a collaborative effort in Italy to produce materials enabling secondary school teachers to use the history of mathematics in the classroom.
Find a number having remainder 29 when divided by 30 and remainder 3 when divided by 4.
Information on the NCTM Fall, 2004 Eastern Regional meeting.
Given a pyramid 300 cubits high, with a square base 500 cubits to a side, determine the distance from the center of any side to the apex.