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Convergence articles

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Two Balls, No Strikes!

Imagine an urn with two balls, each of which may be either white or black. One of these balls is drawn and is put back before a new one is drawn.

Mystery Number

What number is that, which being increased by 1/2, 1/3, and 1/4 of itself, the sum shall be 75?

Math Pages
A general mathematics website with much information on the history of mathematics.
Dimensions of a Box

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.

Who's That Mathematician? Images from the Paul R. Halmos Photograph Collection
Page 6: Images from the Paul Halmos Photo Collection of Abram Besicovitch, R. H. Bing, Burton W. Jones, Garrett Birkhoff, Abolghassem Ghaffari, Errett Bishop, and Max Black
A Discourse Concerning Algebra

A study of the rise of English algebra from the Medieval period to the end of the seventeenth century.

Leonhard Euler's Calculus of Variations
This is the title page of the first textbook in the calculus of variations, Leonhard Euler's Method of Finding Curved Lines that Show some Property of Maximum or Minimum. It was published in 1744.
Benjamin Banneker
Poster of Banneker, with a brief description of his life and work.
Numbers at Work: A Cultural Perspective

Essays on how number has been critical to the work of scientists through the ages.

Can You Really Derive Conic Formulae from a Cone?

As is the case with a great deal of interesting mathematics, the conic sections are believed to have been discovered in an attempt to solve a problem, a problem which on the surface seems to have nothing to do with conic sections.

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