# Convergence articles

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Considering non-unique representation of Maya calendar numbers may help your students understand their own number system better.
This is the title page of the Nova Scientia (1537) of Niccolo Tartaglia (1499-1557). In this work, Tartaglia discussed the mathematics of artillery and developed methods for determining the range of a cannon.
When knowing the sum of their ages along with another equation, determine how old a father and son are.
Wanting to know the breadth of a river, I measured a base of 500 yards in a straight line close by one side of it.
I owe a man the following notes: one of $800 due May 16; one of$660 due on July 1; one of $940 due Sept. 29. He wishes to exchange them for two notes of$1200 each and wants one to fall due June 1. When should the other be due?
In baking a hemispherical loaf of bread of 10" radius, the crust was everywhere of an equal thickness, and the solidity of the crust was equal to half the solid content of the whole loaf. What were the dimensions of the interior soft part?
A popular history of ancient mathematics, dealing with the mathematics of ancient Egypt and Babylonia.
A report on an Australian teacher's use of material from the Rhind Papyrus.
A sketch of the history of topology, beginning with the polyhedron formula, but continuing up to the present.