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The first detailed biography of James Joseph Sylvester.

Two men have a certain amount of money. The first says to the second, "If you give me 5 denari, I will have 7 times what you have left."

What proportions of sugar at 8 cents, 10 cents and 14 cents per pound, will compose a mixture worth 12 cents per pound?

Three images from Kepler's 1609 Astronomia Nova, the text in which he introduced his first two laws of planetary motion

Prove that if the sums of the squares of opposite sides of any quadrilateral are equal, its diagonals intersect at right angles.

Determine the greatest cylinder that can be inscribed in a given cone.

This 1989 revision of the 1969 NCTM yearbook still provides wonderful suggestions for using the history of mathematics in the classroom.
A study of Mullikan's Nautilus, using movies to illustrate the important ideas

Three hundred pigs are to be prepared for a feast.

The dimensions of a rectangular box in inches are expressed by three consecutive numbers. The surface of the box is 292 square inches. Find the dimensions.

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