Knowing the base, b, and the altitude, a, of a triangle. Find the expression for a side of the inscribed square.

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This is a page from the Rechenbuch of Adam Riese. It deals with the measurement of barrels. Also a page that has a table showing numbers both in German words, in Roman numerals, and in the Hindu-Arabic numerals.

Website containing much information on mathematical symbolism and terminology, as well as portraits of mathematicians from postage stamps.

If you are h feet tall and walk all the way around the Earth, keeping to the same circumference, how much farther has your head gone than your feet when you complete the journey?

A collection of short pieces detailing how Euler solved a particular mathematics problem.

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Tartaglia's method for solving cubics, which he eventually explained to Cardano.

Mesopotamian accounting evolved from simple clay token counters to a number-recording system that included impressions of these tokens on clay tablets.

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

This is the title page of the 1779 edition of the works of Isaac Newton known at that time. Note that this is a much shorter book than the recent eight volume collection of Newton's mathematical papers, edited by Derek Whiteside.