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Convergence articles

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What is the value of X...
Now there are three sisters who leave home together.
It is required to determine whether 30 horses can be put into 7 stalls; so that in every stall there may be, either a single horse, or an odd number of horses.
Archimedes' work, The Method, explained, along with many other important ideas of the great Greek geometer.
Benjamin Banneker solved some trigonometry problems in his extant notebooks. One of them is discussed here. The authors have also discovered the probable source of Banneker's trigonometry table.

A study of the solution of quartic equations in Cardano's Ars Magna and in the work of Euler and Descartes.

A history of the various algebraic structures that came together to give us "abstract algebra" by early in the twentieth century.
A certain gentleman ordered that 90 measures of grain were to be transported from his house to another, 30 leucas distant.
There is a log 18 feet long, the diameter of the extremities being 1 ft and 2.6 ft respectively...
There are two columns in the ruins of Persepolis left standing upright; one is 70 ft. above the plane, and the other 50 ft;