It is required to determine whether 30 horses can be put into 7 stalls; so that in every stall there may be, either a single horse, or an odd number of horses.

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A description of a Research Experience for Undergraduates conducted in 2007 at Hood College.

A translation from the original Greek of a manuscript on magic squares by the Byzantine scholar Manuel Moschopoulos, written about 1315

Show that the curves x2 - y2 = a2 and 2 xy = b2 cross at right angles.

A cat sitting on a wall 4 cubits high saw a rat prowling 8 cubits from the foot of the wall;

A study of Victorian idealism and its relation to religion, as exemplified in the work of three 19th century British mathematicians.

A certain gentleman ordered that 90 measures of grain were to be transported from his house to another, 30 leucas distant.

There are two columns in the ruins of Persepolis left standing upright; one is 70 ft. above the plane, and the other 50 ft;

A novel about Pythagoras and his followers

X, Y and Z hired a pasture for the season for $90.00. Each has a different number of mules and are on the pasture for a different number of days. How much is each to pay?