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A railway train strikes a snowdrift which creates a constant resistance. How long does it take the snow to stop the train?

A tree is 2 zhang tall and has a circumference of 3 chi. There is a vine that winds seven equally spaced times around the tree and reaches the top. What is the length of the vine?

A five-volume set of biographies of mathematicians from ancient times to the twentieth century, aimed at secondary students.

A barrel has various holes in it. The first 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.

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

A number of 3 digits in base 7 has the same three digits...

There is much to see in this museum related to the history of mathematics.

Given: a circle with an inscribed equilateral triangle. The triangle has sides which are 12 cubits long. What is the area of the circle?

In a certain lake, swarming with red geese, the tip of a lotus bud was seen to extend a span above the surface of the water.

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