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Convergence articles

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In a square box that contains 1000 marbles, how many will it take to reach across the bottom of the box in a straight row?
A fellow said that when he counted his nuts by twos, threes, fours, fives and sixes, there was still one left over; but when he counted them by sevens they came out even. How many did he have?
Illustration of a counting board in Strasbourg

In this collection of essays on modern trends and issues in the history of mathematics, consideration of mathematics history in the classroom is often more theoretical than practical.

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.
Given the fraction ax/ (a-x ), convert it into an infinite series.

The history and mathematics of curve sketching, tangent lines, and optimization, are explored using interactive applets.

A description of this well-regarded website.

Having been given the lengths, a and b, of two straight lines drawn from the acute angles of a right triangle to the middle of the opposite sides, determine the lengths of those sides.

The king of France entered into a battle and was defeated. How many soldiers did he have before he was defeated?