You are here

Convergence articles

Displaying 41 - 50 of 659

In this article which won the 2005 prize of HOMSIGMAA, the author discusses Eratosthenes' argument to determine the size of the earth as well as possibilities for the size which Eratosthenes found (in modern measures).
A survey of the use of technology in American mathematics teaching over the past 200 years.
Illustration of a counting board in Strasbourg
Determine a number having remainders 2, 3, 2 when divided by 3, 5, 7 respectively.
I am a brazen lion; my spouts are my 2 eyes, my mouth, and the flat of my foot. My right eye fills a jar in 2 days, my left eye in 3, and my foot in 4.
A man went to a draper and bought a length of cloth 35 braccia long to make a suit of clothes.

William Cook recounts the history of and computational progress on the traveling salesman problem, emphasizing connections within mathematics and with other disciplines.

Determine by using algebra the number of degrees in the angle A where: cos A = tan A
The cost per hour of running a certain steamboat is proportional to the cube of its velocity in still water. At what speed should it be run to make a trip up stream against a four-mile current most economically?
This is the opening page of the section of the geometrical work of Oronce Fine (1494-1555) dealing with Euclid's work on circles. This is part of Fine's major work entitled Protomathesis, which covered arithmetic, astronomy and astronomical instruments, as well as geometry.