# Convergence articles

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How Servois' failed attempt to construct a foundation for the calculus nonetheless helped shape modern mathematics
If a ladder, placed 8 ft. from the base of a building 40 ft. high, just reached the top, how far must it be placed from the base of the building that it may reach a point 10 ft. from the top?
A collection of the Kenneth May lectures in the history of mathematics given at meetings of the Canadian Society for the History and Philosophy of Mathematics.
A merchant woman buys and sells apples and pears for Denaros. How much did she invest in apples; how much in pears?
This is the title page to the English version of Isaac Barrow's Geometrical Lectures, which were originally given in his position as Lucasian Professor of Mathematics at Cambridge University. These lectures contain one of the earliest statements and proofs of what is today known as the fundamental theorem of calculus.
Two ants are 100 paces apart, crawling back and forth along the same path. The first goes 1/3 pace forward a day and returns 1/4 pace; the other goes forward 1/5 pace and returns 1/6 pace. How many days before the first ant overtakes the second?
A book connecting mathematics to mysticism, but not recommended.
Page 12: Dilworth to Doob
In a right triangle, let the perpendicular be 5 and the sum of the base and hypotenuse 25. Find the lengths of the base and hypotenuse
This meeting, held in conjunction with the NCTM Annual Meeting, will be dedicated to the memory of Karen Dee Michalowicz.