One says that 10 is divided into three parts and if the small part is multiplied by itself and added to the middle one multiplied by itself the result is the large one multiplied by itself...

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If in a circle ABDC, circumscribe an equilateral triangle ABC; the straight line AD is equal to the sum of the two straight lines BD and DC: required a demonstration.

A listing of the history sessions at the 2008 Joint Mathematics meetings in San Diego, January 4-9, 2008.

A general formed his men into a square, that is, an equal number in rank and file, and he found that he had an excess of 59 men.

Page 8, Images from the Paul Halmos Photograph Collection: Armand Borel, Karol Borsuk, Raoul Bott, William Browder, H. Arlen Brown, and R. Creighton Buck

Boyer's classic text, as revised by Uta Merzbach, is still worth having.

The sum of two numbers is 10 and their product is 40. What are the numbers?

Page from the table of contents of Robert Recorde's The Grounde of Artes (1543) in which is outlined the first dialogue. This dialogue deals with some of the elements of arithmetic, including the basic operations and the use of the rule of three (or the Golden rule).

Given four integers where if added together three at a time their sums are: 20, 22, 24, and 27. What are the integers?

A square circumscribed about a given circle is double in area to a square inscribed in the same circle. True of false? Prove your answer.