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Convergence articles

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Now there are six-headed four legged animals and four-headed two-legged birds. Find the total number of animals and birds.
Short sketches on how mathematicians work and think.
Suppose a lighthouse is built on the top of a rock; the distance between a place of observation and that part of the rock level with the eye is 620 yds.
A ladder has 100 steps. On the first step sits 1 pigeon; on the second, 2; on the third, 3; and so on up to the hundredth. How many pigeons in all?
A study of the rise of English algebra from the Medieval period to the end of the seventeenth century.
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. Appendix: When Was Fermat Born? (Not in 1601 ...)
Given the cats eye as shown. Let the radius of the eye be given by R. What is the area of the pupil?
In a given square, inscribe 4 equal circles so that...
A creative expression combining text, design and illustrations, originally designed for the International Congress of Mathematicians in Madrid.
Leonardo da Vinci and Albrecht Durer both offered approximate constructions of regular pentagons for the use of artists. This article explains these constructions.