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Convergence articles

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Three vertical posts along a straight canal, each rising to the same height above the surface of the water. By looking at the line of vision, determine, to the nearest mile, the radius of the earth.
There were two men, of whom the first had 3 small loaves of bread and the other, 2.
There is a garden is the shape of a rhombus whose side is 768.52 feet. Within the garden is an inscribed square flower bed whose side is 396 feet. What is the area of the garden?
To find three quantities x.y, and z...
A new history of Greek mathematics, taking into account the latest research.
A boy gives 11 coins of equal denomination to a man, and the man finds that their total value in yen is 4 less than his age.
After completing this assignment on Simon Stevin's treatment of decimal fractions in his 1585 De Thiende, the author's preservice mathematics teachers understood why our usual procedure for multiplying such fractions works.
The answer to the following question is obtained using as optimum strategy-the farmer is getting the "best deal" possible. Can you figure out the solution strategy?...
The history of the four color problem with sketches of the attempted proofs in the nineteenth century and an outline of the computer proof of the twentieth century.
Using the history of mathematics in a college algebra class has had significant positive effects on student learning.