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Convergence articles

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Now a pile of rice is against a wall, it has a base perimeter of 60 feet and a height of 12 feet.
The square root of half the number of bees in a swarm has flown out upon a jessamine bush; 8/9 of the swarm has remained behind.
A survey of techniques of minimizing and maximizing over the centuries.

A study of the solution of quartic equations in Cardano's Ars Magna and in the work of Euler and Descartes.

The triangle ABC has a right angle at C. Show that 1/ED=1/AC+1/AB
A brief introduction to the life of John Napier, along with an animation of calculations using Napier's bones.
There is a garden is the shape of a rhombus whose side is 768.52 feet. Within the garden is an inscribed square flower bed whose side is 396 feet. What is the area of the garden?
A tree is 20 feet tall and has a circumference of 3 feet. 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 delightful survey of the history of trigonometry, along with discussions of its uses, both ancient and modern.
A wide-ranging site with links to many sources in the history of mathematics.