A biography of the geometer Donald Coxeter.

Displaying 61 - 70 of 651

A biography of the geometer Donald Coxeter.

A man has four creditors. To the first he owes 624 ducats; to the second, 546; to the third, 492; and to the fourth 368.

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

A rifle ball is fired through a three-inch plank, the resistance of which causes an unknown constant retardation of its velocity.

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.

A survey of the mathematics education of cadets in the first century after the founding of the U.S. Military Academy.

This a wonderfully written tour of aspects of classical geometry-- a must read for all geometry teachers.

In a circle whose circumference is 60 units, a chord is drawn forming a segment whose sagitta is 2 units. What is the length of the chord?

Brief biographies of mathematicians with mathematical activities based on their work.

A two door gate of unknown width is opened so that a 2 inch gap exists between the two doors.