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Problems from Another Time

Individual problems from throughout mathematics history, as well as articles that include problem sets for students.

The cavity of our chimney is an upright parallelepiped, the diagonal of whose base is 60"; and the height of the lower side of the lintel above the plane of the floor is 40".
The authors recount the 'great tale' of Napier's and Burgi's parallel development of logarithms and urge you to use it in class.
Given a number, take 1/3 of the number away from itself and add 2. If this result is multiplied by itself, it equals the number plus 24. What is the number?
An oblong garden is a half yard longer than it is wide and consists entirely of a gravel walk...

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