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This is the title page of Isaac Barrow's Latin edition of the works of Archimedes, the first four books of Apollonius's Conics, and Theodosius's Spherica. It was published in 1675.
Gun metal of a certain grade is composed of 16% tin and 84% copper. How much tin must be added to 410 lbs. of this gun metal to make a composition of 18% tin?
A horse halving its speed every day runs 700 miles in 7 days.
Reprint of a classic biography of Gauss, with a new forward by Jeremy Gray.
A merchant woman buys and sells apples and pears for Denaros. How much did she invest in apples; how much in pears?
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 thorough study of Benjamin Franklin's mathematical accomplishments, in particular his work on magic squares.
A comprehensive history of trigonometry from ancient times to the Renaissance.

The author shows how teachers can use Leonhard Euler's original works in the classroom to explore Euler's famous polyhedral formula,
V + F = E + 2.

This website is connected to the book, The Joy of Pi. It has numerous interesting facts about pi, with links to additional sites.