# Convergence articles

Displaying 631 - 640 of 665

The story of the negative numbers
A collection of short biographical sketches of people involved in the development of calculus, as well as brief descriptions of important events in that development.
There is a log of precious wood 18 feet long whose bases are 5 feet and 2.5 feet in circumference. Into what lengths should the log be cut to trisect its volume?
Arithmos seminars are 24-hour workshops on the classics of mathematics, read in the original, or in a scholarly English translation.
A number of 3 digits in base 7 has the same three digits...
An image of the calendar, together with instructions for its use
Given: a circle with an inscribed equilateral triangle. The triangle has an area of 12 square units. What is the area of the circle?
This is the title page to the 1811 edition of the Descriptive Geometry of Gaspard Monge (1746-1818). This book deals with methods for representing three-dimensional objects in two dimensions. It was written to accompany Monge's courses at the Ecole Polytechnique in Paris.
The story of Gerbert, who became Pope Sylvester II in 999, and his mathematics.
The sum of the two digits of a 2-digit number is 9. If 45 is subtracted from the number, the result will be expressed by the digits in reverse order. Find the number.