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Convergence articles

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Out to Pasture

Two men rent a pasture for 100 lire on the understanding that two cows are to be counted as being equivalent to three sheep. The first puts in 60 cows and 85 sheep; the second 80 cows and 100 sheep. How much should each pay?

Something Fishy at Customs

Two men brought their fish through customs. Find how much the fish cost, and what is the customs fee.

Another Numbers Game

Determine a number having remainders 2, 3, and 2 when divided by 3, 5, and 7 respectively.

Right Triangle

Given a right triangle where you know the length of the base and the sum of the perpendicular side and the hypotenuse...
 

Extending al-Karaji's Work on Sums of Odd Powers of Integers
An extension of Al-Karaji's formula for the sum of the cubes by a 19th century Turkish author and journal editor
A History of Mathematics: Brief Version
A brief version of the author's well-known history of mathematics text.
On Triangles, by Regiomontanus
On Triangles, by Regiomontanus (Johannes M�ller) (1436-1476), written in 1464 but not published until 1533.
Milestones of Mathematics
Two posters illustrating the major milestones in the history of mathematics, from the first ideas of "number" to the proof of Fermat's Last Theorem.
Proportionality in Similar Triangles: A Cross-Cultural Comparison

A comparison of the Greek and Chinese approach to the idea of similarity.

A Plague of Ratios
The story of Nicolaus Mercator, music, and logarithms.

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