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Convergence articles

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One military horse cannot pull a load of 40 dan; neither can 2 ordinary horses, nor can three inferior horses.
An oracle ordered a prince to build a sacred building, whose space would be 400 cubits, the length being 6 cubits more than the width, and the width 3 cubits more than the height. Find the dimensions of the building.
If a ladder, placed 8 ft. from the base of a building 40 ft. high, just reached the top, how far must it be placed from the base of the building that it may reach a point 10 ft. from the top?

This book demonstrates the relationship between the mathematics in some recently discovered Babylonian tablets and some standard problems from Egyptian mathematics.

Given the dimensions of an isosceles trapezoid find the length of the transversal drawn parallel to the bases that divides the trapezoid into 2 equal areas.
A sketch of the history of topology, beginning with the polyhedron formula, but continuing up to the present.
The three sides of a triangular piece of land, taken in order, measure 15, 10, and 13 chains respectively.
A lively history of number systems and number theory from earliest times up to the notion of "infinity".
In a right triangle, let the perpendicular be 5 and the sum of the base and hypotenuse 25. Find the lengths of the base and hypotenuse
A journey through numbers from their earliest beginning in India to the proof of Fermat's Last Theorem by Wiles.