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Two posters illustrating the major milestones in the history of mathematics, from the first ideas of "number" to the proof of Fermat's Last Theorem.
Two men brought their fish through customs. Find how much the fish cost, and what is the customs fee.
This conference takes place in 2006 at Pennsylvania State University, Erie.
A ladder is placed perpendicular to the plane of the horizon, and in coincidence with the plane of an upright wall.
Page 5 of Paul Halmos Photograph Collection: Paul Bateman, Felice Bateman, Edward Begle, Alexandra Bellow, William Johnson, Georgia Benkart, Lipman Bers
A teacher agreed to teach 9 months for $562.50 and his board. At the end of the term, on account of two months absence caused by sickness, he received only $409.50. What was his board worth per month?
This is the title page of the Margarita philosophica (Pearl of Wisdom) of Gregor Reisch (1467 - 1525). The first edition was published in 1503. This work was used as a university textbook in the early sixteenth century.
Archimedes' work, The Method, explained, along with many other important ideas of the great Greek geometer.
Benjamin Banneker solved some trigonometry problems in his extant notebooks. One of them is discussed here. The authors have also discovered the probable source of Banneker's trigonometry table.

A comparison of the Greek and Chinese approach to the idea of similarity.