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Collection (from 1614) of Roger Bacon's 13th century writings on applications of mathematics

A man went to a draper and bought a length of cloth 35 braccia long to make a suit of clothes.

Review of a book that suggests that the accepted historical chronology is fundamentally flawed.

The cost per hour of running a certain steamboat is proportional to the cube of its velocity in still water. At what speed should it be run to make a trip up stream against a four-mile current most economically?
Here is the title page of part I of the General Trattato di Numeri (General Treatise on Number and Measure) (1556) of Niccolo Tartaglia (1500-1557). This is an extensive work on elementary mathematics that was popular in Italy for several decades after its publication.
The Ohio Section Short Course will consider the use of original sources in teaching mathematics.
Archimedes' work, The Method, explained, along with many other important ideas of the great Greek geometer.
A wooden beam is stood vertically against a wall. The length of the beam is 30 units.
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.
Given a door and a measuring rod of unknown dimensions, the rod is used to measure the door.