# Convergence articles

Displaying 61 - 70 of 649

When knowing the sum of their ages along with another equation, determine how old a father and son are.
Mesopotamian accounting evolved from simple clay token counters to a number-recording system that included impressions of these tokens on clay tablets.
A translation of one of the seminal papers in the field of elliptic integrals, but one that can be read by an undergraduate.
I owe a man the following notes: one of $800 due May 16; one of$660 due on July 1; one of $940 due Sept. 29. He wishes to exchange them for two notes of$1200 each and wants one to fall due June 1. When should the other be due?
A collection of illustrations of Inca quipus, with references to their earliest descriptions.
Having been given the sum of two numbers,a, and the difference of their squares,b, find the numbers.
A circle is inscribed in an isosceles trapezoid. Find the relationship of the radius to the sides.
A brief version of the author's well-known history of mathematics text.
Find two numbers such that multiplying one by the other makes 8 and the sum of their squares is 27.

A history of the concept of zero from as far back as the Babylonian period, with philosophical excursions into the meaning of "nothing".