# Convergence articles

Displaying 571 - 580 of 659

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.

A certain man had in his trade four weights with which he could weigh integral pounds from one up to 40. How many pounds was each weight?
A history of the various algebraic structures that came together to give us "abstract algebra" by early in the twentieth century.
There is a log 18 feet long, the diameter of the extremities being 1 ft and 2.6 ft respectively...
Page 12: Dilworth to Doob
This is the title page of the 1640 printing of Galileo's Operation of the Geometrical and Military Compass, originally published privately in 1606. Galileo had invented a version of this geometrical compass a few years earlier and evidently gave copies of this manual to those who bought the compass. The compass had many uses, from performing square root calculations to determining ranges of cannons to solving surveying problems.
A collection of short lectures by Howard Eves giving details on 20 important happenings in the history of mathematics before 1650.
In the middle of the 18th century, King Frederick the Great of Prussia became interested in creating a lottery to raise money. As was his custom when mathematical matters were involved, he called upon Leonhard Euler for counsel.
Of a collection of mango fruits, the king took 1/6; the queen 1/5 the remainder, and the three princes took 1/4, 1/3 and 1/2 (of the same remainder); and the youngest child took the remaining 3 mangoes.
Jacqueline Stedall has uncovered the numerous algebraic ideas of Thomas Harriot from the early 17th century and has organized them into a readable treatise.