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A tree is 20 feet tall and has a circumference of 3 feet. There is a vine that winds seven equally spaced times around the tree and reaches the top. What is the length of the vine?
This is the title page of the Siderius Nuncius (Starry Messenger) of Galileo (1564-1642), published in 1610. This book was a report on Galileo's first investigations with a telescope. Also includes Galileo's initial sketches of the surface of the moon.
A survey of this theorem's 4000 year history, with applications to many fields.
An excellent book surveying the history of the philosophy of mathematics from the time of Plato to the nineteenth and early twentieth centuries.
We sadly announce the untimely death of one of Convergence's editorial board members.
A barrel has various holes in it. The fist hole empties the barrel in three days...
A man agreed to pay for 13 valuable houses worth $5000 each, what the last would amount to, reckoning 7 cents for the first, 4 times 7 cents for the second, and so on, increasing the price 4 times on each to the last.
Two circles, the sum of whose radii is a, are placed in the same plane with their centers at a distance 2a...
Assume that the human population after the flood was 6 and that 200 years later the population was 1,000,000. Find the annual growth of the population.
A description of a Research Experience for Undergraduates conducted in 2007 at Hood College.

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