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

Thirty flasks-10 full, 10 half-empty, and 10 completely empty- are to be divided among 3 sons so that flasks and contents should be shared equally. How may this be done?

Here are all articles, classroom activities, and reviews arranged into annual volumes starting with 2004.

One military horse cannot pull a load of 40 dan; neither can 2 ordinary horses, nor can three inferior horses.
A survey of the mathematics education of cadets in the first century after the founding of the U.S. Military Academy.
If a ladder, placed 8 ft. from the base of a building 40 ft. high, just reached the top, how far must it be placed from the base of the building that it may reach a point 10 ft. from the top?
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?
Seven men held equal shares in a grinding stone 5 feet in diameter. What part of the diameter should each grind away?
A two door gate of unknown width is opened so that a 2 inch gap exists between the two doors.
Given a rectangle, find the line through one vertex of minimum length that passes through the extensions of the two opposite sides.