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Convergence articles

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A tree 100 units high is 200 units distant from a well; from this tree one monkey climbs down and goes to the well...
The symposium this year will discuss Gauss's Disquisitiones Arithmeticae.
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 method for extracting square roots used in Italy through the 18th century was introduced in a manuscript by the 12th century mathematician al-Hassar.
Chuquet claimed that if given positive numbers a, b, c, d then (a + b) / (c + d) lies between a/c and b/d. Is he correct? Prove your answer
Eratosthenes' measurement of the earth, in a form that's easy for teachers to use in the classroom.
There is a four-sided field whose eastern side measures 35 paces, its western side 45 paces, its southern side 25 paces and its northern side 15 paces. Find the area of this field.
The author takes us on a historical tour of mathematics through postage stamps of the world that display mathematicians and mathematics.
A general mathematics website with much information on the history of mathematics.
One hundred men besieged in a castle, have sufficient food to allow each one bread to the weight of 14 lot a day for ten months.