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This is the title page of the geometry book of Jacob Kobel (1460 - 1533). The book dealt primarily with measurement, showing its readers how to use various instruments to measure fields, determine heights of buildings, and perform various other necessary tasks.
An introduction to the work of Venn as well as the work of the author in extending some of Venn's results.
A man is walking across a bridge, when a boat passes under the bridge.How rapidly are the boat and the pedestrian separating after the boat passes under the bridge?
An erect pole of 10 cubits has its base moved 6 cubits. Determine the new height and the distance the top of the pole is lowered.
The Euler Society was founded as the tercentennial of the birth of the prolific Swiss-born genius Leonhard Euler approaches. The 2006 meeting is the fifth annual meeting of the Society.
A certain bishop ordered that 12 loaves be divided among his clergy.
Determine the dimensions for a right-angled triangle, having been given the hypotenuse, and the side of the inscribed square.
History of Maya calendars, including the modified base 20 number system used in them
This is from a letter of June, 1695 in which Leibniz is discussing differentiation with Johann Bernoulli. The work in which these letters appear is the Virorum Celeberr. Got. Gul. Leibnitii et Johann Bernoulli Commercium Philosophicum et Mathematica, originally published in 1740.
Given a semicircle, Prove that if O is the circle's center, DO=OE.