The author takes us on a historical tour of mathematics through postage stamps of the world that display mathematicians and mathematics.

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After completing this assignment on Simon Stevin's treatment of decimal fractions in his 1585 De Thiende, the author's preservice mathematics teachers understood why our usual procedure for multiplying such fractions works.

A survey of concepts of infinite sets over the centuries.

The Ohio Section Short Course will consider the use of original sources in teaching mathematics.

A wooden beam is stood vertically against a wall. The length of the beam is 30 units.

A collection of articles from the American Mathematical Monthly by experts on the evolution of various fields of mathematics.

Given a door and a measuring rod of unknown dimensions, the rod is used to measure the door.

One hundred men besieged in a castle, have sufficient food to allow each one bread to the weight of 14 lot a day for ten months.

This unique and beautiful book features the biographies of twenty-two notable female mathematicians and scientists, showing how their determination, creativity, and intellectual passion helped them excel in their fields.

The authors recount the 'great tale' of Napier's and Burgi's parallel development of logarithms and urge you to use it in class.