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A four-sided town measures 1100 feet on one side and 1000 feet on the other side, on one edge 600 and the other edge 600.

The Speculator's Buy

A speculator bought stock at 25% below par and sold it at 20% above par. He gained $1560. How much did he invest?

Francois-Joseph Servois: Priest, Artillery Officer, and Professor of Mathematics

As this biography reveals, Servois fought in battles for Paris and for the foundations of calculus.

Travelling Men 2

Two men start walking at the same time and travel a distance. One is walking faster and completes the journey sooner. How fast did each man travel?

HOM SIGMAA 2008 Student Paper Contest Winners

There are four winners of the HOM SIGMAA Student Paper Contest for 2008. The papers may be accessed here.

IOU

I owe a man the following notes: one of $800 due May 16; one of $660 due on July 1; one of $940 due September 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?

Going Through the Paces II

There is a four-sided field whose eastern side measures 35 paces, its western side 45 paces, its southern side 25 paces and its northern side 15 paces. Find the area of this field.

Three Numbers in France

I wish to find three numbers of such nature that the first and the second with 1/2 of the third makes 20...

Viete: Triangle

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

Algebraic Formalism within the Works of Servois and Its Influence on the Development of Linear Operator Theory

How Servois' failed attempt to construct a foundation for the calculus nonetheless helped shape modern mathematics