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Problems from Another Time

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

How a translation of Peano's counterexample to the 'theorem' that a zero Wronskian implies linear dependence can help your differential equations students
Determine the dimensions for a right-angled triangle, having been given the hypotenuse, and the side of the inscribed square.
Discussion of 15th century French manuscript, with translation of its problems, including one with negative solutions
A wooden log is encased in a wall. If we cut part of the wall away to a depth of 1 inch...
Three equal circumferences with radii 6" are tangent to each other. Compute the area enclosed between them.
Discussion of 15th century French manuscript, with translation of its problems, including one with negative solutions
A boy gives 11 coins of equal denomination to a man, and the man finds that their total value in yen is 4 less than his age.
Having been given the lengths, a and b, of two straight lines drawn from the acute angles of a right triangle to the middle of the opposite sides, determine the length of those sides.
There were two men, of whom the first had 3 small loaves of bread and the other, 2.
A mouse is at the top of a poplar tree 60 braccia high, and a cat is on the ground at its foot. The mouse decends 1/2 a braccia a day and at night it turns back 1/6 of a braccia.

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